EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Pythagoras Theorem
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
In a right angled triangle △PQR, if QR = 13 cm is one of the perpendicular sides and RP = 19.1 cm is the hypotenuse, then corresponding height of side QR =
(i)
11.00 cm
(ii)
9.00 cm
(iii)
17.00 cm
(iv)
14.00 cm
(v)
19.00 cm
Question
2
2.
In a right angled triangle △PQR, if the area is 65 sq.cm and corresponding height of side QR = 10 cm, then perimeter of the triangle =
(i)
36.40 cm
(ii)
39.40 cm
(iii)
34.40 cm
(iv)
44.40 cm
(v)
42.40 cm
Question
3
3.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 11 cm, then perimeter of the triangle =
(i)
34.56 cm
(ii)
40.56 cm
(iii)
32.56 cm
(iv)
37.56 cm
(v)
42.56 cm
Question
4
4.
In the given figure, △BCD is a triangle with BE being the median of CD. Then
(i)
BC
2
+
BD
2
=
2
CE
2
+
2
BE
2
(ii)
BC
2
+
BD
2
=
2
ED
2
+
2
BE
2
(iii)
BC
2
+
BD
2
=
CD
2
(iv)
BC
2
+
BD
2
=
2
CE
2
+
2
ED
2
(v)
BC
2
+
BD
2
=
BE
2
Question
5
5.
In an isosceles right angled triangle △PQR, if QR = 10 cm is one of the equal sides, then corresponding height of side RP =
(i)
5.07 cm
(ii)
6.07 cm
(iii)
7.07 cm
(iv)
9.07 cm
(v)
8.07 cm
Question
6
6.
In an isosceles right angled triangle △PQR, if QR = 18 cm is one of the equal sides, then perimeter of the triangle =
(i)
58.46 cm
(ii)
64.46 cm
(iii)
66.46 cm
(iv)
56.46 cm
(v)
61.46 cm
Question
7
7.
In a right angled triangle △PQR, if QR = 17 cm is one of the perpendicular sides and RP = 25.5 cm is the hypotenuse, then perimeter of the triangle =
(i)
58.50 cm
(ii)
66.50 cm
(iii)
64.50 cm
(iv)
56.50 cm
(v)
61.50 cm
Question
8
8.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 12 cm, then corresponding height of side PQ =
(i)
9.00 cm
(ii)
15.00 cm
(iii)
12.00 cm
(iv)
7.00 cm
(v)
17.00 cm
Question
9
9.
In a right angled triangle △PQR, if the area is 88 sq.cm and base QR = 16 cm, then perimeter of the triangle =
(i)
43.42 cm
(ii)
41.42 cm
(iii)
46.42 cm
(iv)
51.42 cm
(v)
49.42 cm
Question
10
10.
In a right angled triangle △PQR, if the base QR = 12 cm and the corresponding height is 15 cm, then side PQ =
(i)
18.00 cm
(ii)
15.00 cm
(iii)
20.00 cm
(iv)
10.00 cm
(v)
12.00 cm
Question
11
11.
In the given figure, ABCD is a rhombus. Which of the following are true?
a)
BC
2
+
CD
2
=
BD
2
b)
AB
2
+
BC
2
+
CD
2
+
AD
2
=
AC
2
+
BD
2
c)
AB
2
+
BC
2
=
AC
2
d)
4
AB
2
=
AC
2
+
BD
2
e)
2
AB
2
=
AC
2
+
BD
2
(i)
{c,d}
(ii)
{b,d}
(iii)
{c,d,b}
(iv)
{a,b}
(v)
{e,a,b}
Question
12
12.
In a right angled triangle △PQR, if the area is 170 sq.cm and corresponding height of side QR = 17 cm, then corresponding height of side PQ =
(i)
23.00 cm
(ii)
25.00 cm
(iii)
17.00 cm
(iv)
15.00 cm
(v)
20.00 cm
Question
13
13.
In an isosceles right angled triangle △PQR, if RP = 22.63 cm is the hypotenuse, then area of the triangle =
(i)
128.00 sq.cm
(ii)
155.00 sq.cm
(iii)
132.00 sq.cm
(iv)
123.00 sq.cm
(v)
105.00 sq.cm
Question
14
14.
In a right angled triangle △PQR, if QR = 18 cm is one of the perpendicular sides and RP = 26.17 cm is the hypotenuse, then area of the triangle =
(i)
197.00 sq.cm
(ii)
164.00 sq.cm
(iii)
173.00 sq.cm
(iv)
171.00 sq.cm
(v)
155.00 sq.cm
Question
15
15.
In an isosceles right angled triangle △PQR, if area = 98 sq.cm, then side PQ =
(i)
14.00 cm
(ii)
19.00 cm
(iii)
9.00 cm
(iv)
17.00 cm
(v)
11.00 cm
Question
16
16.
In an isosceles right angled triangle △PQR, if perimeter = 54.63 cm, then side RP =
(i)
22.63 cm
(ii)
25.63 cm
(iii)
17.63 cm
(iv)
19.63 cm
(v)
27.63 cm
Question
17
17.
In the given figure, in △GHI, 'O' is a point inside the triangle. OJ ⟂ HI, OK ⟂ GI and OL ⟂ GH. Then
(i)
GL
2
+
HJ
2
+
IK
2
=
OG
2
+
OH
2
+
OI
2
+
OJ
2
+
OK
2
+
OL
2
(ii)
GL
2
+
HJ
2
+
IK
2
=
OG
2
+
OH
2
+
OI
2
−
OJ
2
−
OK
2
−
OL
2
(iii)
GL
2
+
HJ
2
+
IK
2
=
GH
2
+
JI
2
+
IG
2
−
HL
2
−
IJ
2
−
KG
2
(iv)
GL
2
+
HJ
2
+
IK
2
=
OL
2
+
OK
2
+
OJ
2
Question
18
18.
In a right angled triangle △PQR, if the base QR = 11 cm and the corresponding height is 16 cm, then corresponding height of side RP =
(i)
8.06 cm
(ii)
10.06 cm
(iii)
7.06 cm
(iv)
9.06 cm
(v)
11.06 cm
Question
19
19.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 16 cm, then corresponding height of side QR =
(i)
19.00 cm
(ii)
11.00 cm
(iii)
16.00 cm
(iv)
21.00 cm
(v)
13.00 cm
Question
20
20.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 15 cm, then side PQ =
(i)
18.00 cm
(ii)
15.00 cm
(iii)
10.00 cm
(iv)
12.00 cm
(v)
20.00 cm
Question
21
21.
In a right angled triangle, if one of the angles is 52.43°, find the third angle
(i)
37.57°
(ii)
52.57°
(iii)
47.57°
(iv)
67.57°
(v)
42.57°
Question
22
22.
In a right angled triangle △PQR, if QR = 13 cm is one of the perpendicular sides and RP = 21.4 cm is the hypotenuse, then side PQ =
(i)
17.00 cm
(ii)
20.00 cm
(iii)
12.00 cm
(iv)
22.00 cm
(v)
14.00 cm
Question
23
23.
In a right angled triangle △PQR, if the area is 70 sq.cm and base QR = 14 cm, then corresponding height of side PQ =
(i)
17.00 cm
(ii)
9.00 cm
(iii)
14.00 cm
(iv)
11.00 cm
(v)
19.00 cm
Question
24
24.
In a right angled triangle, if the two non-hypotenuse sides are 6 cm and 8 cm, find the hypotenuse
(i)
10.00 cm
(ii)
8.00 cm
(iii)
11.00 cm
(iv)
12.00 cm
(v)
9.00 cm
Question
25
25.
In an isosceles right angled triangle △PQR, if QR = 16 cm is one of the equal sides, then corresponding height of side PQ =
(i)
11.00 cm
(ii)
21.00 cm
(iii)
19.00 cm
(iv)
16.00 cm
(v)
13.00 cm
Assignment Key
1) (iv)
2) (ii)
3) (iv)
4) (i)
5) (iii)
6) (v)
7) (v)
8) (iii)
9) (iii)
10) (ii)
11) (ii)
12) (v)
13) (i)
14) (iv)
15) (i)
16) (i)
17) (ii)
18) (iv)
19) (iii)
20) (ii)
21) (i)
22) (i)
23) (iii)
24) (i)
25) (iv)