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 = 11 cm, PQ = 20 cm, then perimeter of the triangle =
(i)
45.00 cm
(ii)
55.00 cm
(iii)
53.00 cm
(iv)
50.00 cm
(v)
47.00 cm
Question
2
2.
In △PQR, if QR = 13 cm, RP = 16 cm and perimeter = 48 cm, then side PQ =
(i)
14.00 cm
(ii)
24.00 cm
(iii)
19.00 cm
(iv)
16.00 cm
(v)
22.00 cm
Question
3
3.
In △PQR, if base QR = 16 cm and the corresponding height of side QR = 11.49 cm, then area of the triangle =
(i)
94.90 sq.cm
(ii)
91.90 sq.cm
(iii)
96.90 sq.cm
(iv)
86.90 sq.cm
(v)
88.90 sq.cm
Question
4
4.
If the side of an equilateral triangle is 11 cm, the height of the equilateral triangle =
(i)
11.53 cm
(ii)
8.53 cm
(iii)
7.53 cm
(iv)
10.53 cm
(v)
9.53 cm
Question
5
5.
If the side of an equilateral triangle is 17 cm, the perimeter of the equilateral triangle =
(i)
48.00 cm
(ii)
51.00 cm
(iii)
56.00 cm
(iv)
46.00 cm
(v)
54.00 cm
Question
6
6.
If area of an equilateral triangle is 110.85 sq.cm, the side of the equilateral triangle =
(i)
16.00 cm
(ii)
13.00 cm
(iii)
11.00 cm
(iv)
21.00 cm
(v)
19.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 10 cm, CA = AB and perimeter is 36 cm, then side AB =
(i)
8.00 cm
(ii)
16.00 cm
(iii)
10.00 cm
(iv)
18.00 cm
(v)
13.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 18 cm and the corresponding height is 13.23 cm, then side AB =
(i)
13.00 cm
(ii)
21.00 cm
(iii)
16.00 cm
(iv)
19.00 cm
(v)
11.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 18 cm, PQ = 12 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
12.00 cm
(ii)
17.00 cm
(iii)
7.00 cm
(iv)
15.00 cm
(v)
9.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 10 cm, PQ = 14 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
75.00 sq.cm
(ii)
67.00 sq.cm
(iii)
70.00 sq.cm
(iv)
65.00 sq.cm
(v)
73.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 18 cm and the corresponding height is 15 cm, then area of the triangle =
(i)
108.00 sq.cm
(ii)
123.00 sq.cm
(iii)
135.00 sq.cm
(iv)
137.00 sq.cm
(v)
159.00 sq.cm
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (v)
5) (ii)
6) (i)
7) (v)
8) (iii)
9) (i)
10) (iii)
11) (iii)
