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 = 13 cm, RP = 11 cm, PQ = 12 cm, then perimeter of the triangle =
(i)
39.00 cm
(ii)
31.00 cm
(iii)
36.00 cm
(iv)
41.00 cm
(v)
33.00 cm
Question
2
2.
In △PQR, if QR = 16 cm, RP = 15 cm and perimeter = 41 cm, then side PQ =
(i)
10.00 cm
(ii)
13.00 cm
(iii)
7.00 cm
(iv)
5.00 cm
(v)
15.00 cm
Question
3
3.
In △PQR, if base QR = 14 cm and the corresponding height of side QR = 9.95 cm, then area of the triangle =
(i)
74.65 sq.cm
(ii)
64.65 sq.cm
(iii)
66.65 sq.cm
(iv)
72.65 sq.cm
(v)
69.65 sq.cm
Question
4
4.
If the side of an equilateral triangle is 10 cm, the height of the equilateral triangle =
(i)
7.66 cm
(ii)
10.66 cm
(iii)
9.66 cm
(iv)
6.66 cm
(v)
8.66 cm
Question
5
5.
If the side of an equilateral triangle is 11 cm, the perimeter of the equilateral triangle =
(i)
33.00 cm
(ii)
36.00 cm
(iii)
38.00 cm
(iv)
28.00 cm
(v)
30.00 cm
Question
6
6.
If area of an equilateral triangle is 125.14 sq.cm, the side of the equilateral triangle =
(i)
14.00 cm
(ii)
17.00 cm
(iii)
20.00 cm
(iv)
12.00 cm
(v)
22.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 19 cm, CA = AB and perimeter is 41 cm, then side AB =
(i)
11.00 cm
(ii)
14.00 cm
(iii)
8.00 cm
(iv)
16.00 cm
(v)
6.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 17 cm and the corresponding height is 13.56 cm, then side AB =
(i)
19.00 cm
(ii)
16.00 cm
(iii)
21.00 cm
(iv)
11.00 cm
(v)
13.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 20 cm, PQ = 19 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
24.00 cm
(ii)
14.00 cm
(iii)
22.00 cm
(iv)
16.00 cm
(v)
19.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 12 cm, PQ = 20 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
135.00 sq.cm
(ii)
120.00 sq.cm
(iii)
113.00 sq.cm
(iv)
136.00 sq.cm
(v)
102.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 17 cm and the corresponding height is 16 cm, then area of the triangle =
(i)
112.00 sq.cm
(ii)
136.00 sq.cm
(iii)
120.00 sq.cm
(iv)
164.00 sq.cm
(v)
139.00 sq.cm
Assignment Key
1) (iii)
2) (i)
3) (v)
4) (v)
5) (i)
6) (ii)
7) (i)
8) (ii)
9) (v)
10) (ii)
11) (ii)
