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 = 19 cm, RP = 19 cm, PQ = 19 cm, then perimeter of the triangle =
(i)
57.00 cm
(ii)
52.00 cm
(iii)
62.00 cm
(iv)
60.00 cm
(v)
54.00 cm
Question
2
2.
In △PQR, if QR = 15 cm, RP = 14 cm and perimeter = 48 cm, then side PQ =
(i)
14.00 cm
(ii)
19.00 cm
(iii)
22.00 cm
(iv)
24.00 cm
(v)
16.00 cm
Question
3
3.
In △PQR, if base QR = 16 cm and the corresponding height of side QR = 17.75 cm, then area of the triangle =
(i)
154.99 sq.cm
(ii)
139.99 sq.cm
(iii)
119.99 sq.cm
(iv)
141.99 sq.cm
Question
4
4.
If the side of an equilateral triangle is 17 cm, the height of the equilateral triangle =
(i)
14.72 cm
(ii)
9.72 cm
(iii)
19.72 cm
(iv)
11.72 cm
(v)
17.72 cm
Question
5
5.
If the side of an equilateral triangle is 12 cm, the perimeter of the equilateral triangle =
(i)
39.00 cm
(ii)
41.00 cm
(iii)
31.00 cm
(iv)
33.00 cm
(v)
36.00 cm
Question
6
6.
If area of an equilateral triangle is 52.39 sq.cm, the side of the equilateral triangle =
(i)
8.00 cm
(ii)
16.00 cm
(iii)
6.00 cm
(iv)
11.00 cm
(v)
14.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 19 cm, CA = AB and perimeter is 53 cm, then side AB =
(i)
22.00 cm
(ii)
17.00 cm
(iii)
14.00 cm
(iv)
20.00 cm
(v)
12.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 11 cm and the corresponding height is 11.78 cm, then side AB =
(i)
8.00 cm
(ii)
18.00 cm
(iii)
16.00 cm
(iv)
10.00 cm
(v)
13.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 16 cm, PQ = 20 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
20.00 cm
(ii)
23.00 cm
(iii)
17.00 cm
(iv)
25.00 cm
(v)
15.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 20 cm, PQ = 11 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
103.00 sq.cm
(ii)
110.00 sq.cm
(iii)
83.00 sq.cm
(iv)
122.00 sq.cm
(v)
136.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 17 cm and the corresponding height is 10 cm, then area of the triangle =
(i)
82.00 sq.cm
(ii)
90.00 sq.cm
(iii)
88.00 sq.cm
(iv)
80.00 sq.cm
(v)
85.00 sq.cm
Assignment Key
1) (i)
2) (ii)
3) (iv)
4) (i)
5) (v)
6) (iv)
7) (ii)
8) (v)
9) (i)
10) (ii)
11) (v)
