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 = 16 cm, RP = 12 cm, PQ = 10 cm, then perimeter of the triangle =
(i)
35.00 cm
(ii)
41.00 cm
(iii)
38.00 cm
(iv)
43.00 cm
(v)
33.00 cm
Question
2
2.
In △PQR, if QR = 11 cm, RP = 13 cm and perimeter = 43 cm, then side PQ =
(i)
22.00 cm
(ii)
14.00 cm
(iii)
16.00 cm
(iv)
19.00 cm
(v)
24.00 cm
Question
3
3.
In △PQR, if base QR = 18 cm and the corresponding height of side QR = 12.9 cm, then area of the triangle =
(i)
116.08 sq.cm
(ii)
98.08 sq.cm
(iii)
100.08 sq.cm
(iv)
131.08 sq.cm
(v)
139.08 sq.cm
Question
4
4.
If the side of an equilateral triangle is 11 cm, the height of the equilateral triangle =
(i)
9.53 cm
(ii)
10.53 cm
(iii)
7.53 cm
(iv)
8.53 cm
(v)
11.53 cm
Question
5
5.
If the side of an equilateral triangle is 10 cm, the perimeter of the equilateral triangle =
(i)
35.00 cm
(ii)
30.00 cm
(iii)
33.00 cm
(iv)
27.00 cm
(v)
25.00 cm
Question
6
6.
If area of an equilateral triangle is 62.35 sq.cm, the side of the equilateral triangle =
(i)
12.00 cm
(ii)
7.00 cm
(iii)
9.00 cm
(iv)
17.00 cm
(v)
15.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 18 cm, CA = AB and perimeter is 52 cm, then side AB =
(i)
22.00 cm
(ii)
20.00 cm
(iii)
14.00 cm
(iv)
12.00 cm
(v)
17.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 11 cm and the corresponding height is 8.35 cm, then side AB =
(i)
5.00 cm
(ii)
7.00 cm
(iii)
15.00 cm
(iv)
13.00 cm
(v)
10.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 15 cm, PQ = 12 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
7.00 cm
(ii)
15.00 cm
(iii)
12.00 cm
(iv)
17.00 cm
(v)
9.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 14 cm, PQ = 17 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
132.00 sq.cm
(ii)
123.00 sq.cm
(iii)
114.00 sq.cm
(iv)
119.00 sq.cm
(v)
97.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 11 cm and the corresponding height is 15 cm, then area of the triangle =
(i)
79.50 sq.cm
(ii)
77.50 sq.cm
(iii)
82.50 sq.cm
(iv)
85.50 sq.cm
(v)
87.50 sq.cm
Assignment Key
1) (iii)
2) (iv)
3) (i)
4) (i)
5) (ii)
6) (i)
7) (v)
8) (v)
9) (iii)
10) (iv)
11) (iii)