EduSahara™ Assignment
Name : Perimeter and Area of Triangles
Chapter : Mensuration
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
In △PQR, if QR = 20 cm, RP = 14 cm, PQ = 14 cm, then perimeter of the triangle =
(i)
53.00 cm
(ii)
45.00 cm
(iii)
43.00 cm
(iv)
51.00 cm
(v)
48.00 cm
Question
2
2.
In △PQR, if QR = 15 cm, RP = 17 cm and perimeter = 46 cm, then side PQ =
(i)
14.00 cm
(ii)
19.00 cm
(iii)
11.00 cm
(iv)
9.00 cm
(v)
17.00 cm
Question
3
3.
In △PQR, if base QR = 17 cm and the corresponding height of side QR = 10.71 cm, then area of the triangle =
(i)
90.99 sq.cm
(ii)
85.99 sq.cm
(iii)
87.99 sq.cm
(iv)
95.99 sq.cm
(v)
93.99 sq.cm
Question
4
4.
If the side of an equilateral triangle is 15 cm, the height of the equilateral triangle =
(i)
7.99 cm
(ii)
12.99 cm
(iii)
17.99 cm
(iv)
9.99 cm
(v)
15.99 cm
Question
5
5.
If the side of an equilateral triangle is 13 cm, the perimeter of the equilateral triangle =
(i)
39.00 cm
(ii)
36.00 cm
(iii)
42.00 cm
(iv)
34.00 cm
(v)
44.00 cm
Question
6
6.
If area of an equilateral triangle is 156.32 sq.cm, the side of the equilateral triangle =
(i)
14.00 cm
(ii)
24.00 cm
(iii)
19.00 cm
(iv)
16.00 cm
(v)
22.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 19 cm, CA = AB and perimeter is 59 cm, then side AB =
(i)
20.00 cm
(ii)
17.00 cm
(iii)
25.00 cm
(iv)
23.00 cm
(v)
15.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 12 cm and the corresponding height is 18.03 cm, then side AB =
(i)
22.00 cm
(ii)
24.00 cm
(iii)
16.00 cm
(iv)
14.00 cm
(v)
19.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 14 cm, PQ = 17 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
17.00 cm
(ii)
20.00 cm
(iii)
12.00 cm
(iv)
14.00 cm
(v)
22.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 15 cm, PQ = 16 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
120.00 sq.cm
(ii)
97.00 sq.cm
(iii)
125.00 sq.cm
(iv)
104.00 sq.cm
(v)
138.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 10 cm and the corresponding height is 14 cm, then area of the triangle =
(i)
73.00 sq.cm
(ii)
70.00 sq.cm
(iii)
67.00 sq.cm
(iv)
65.00 sq.cm
(v)
75.00 sq.cm
Assignment Key
1) (v)
2) (i)
3) (i)
4) (ii)
5) (i)
6) (iii)
7) (i)
8) (v)
9) (i)
10) (i)
11) (ii)
