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 = 15 cm, PQ = 19 cm, then perimeter of the triangle =
(i)
52.00 cm
(ii)
50.00 cm
(iii)
44.00 cm
(iv)
47.00 cm
(v)
42.00 cm
Question
2
2.
In △PQR, if QR = 12 cm, RP = 19 cm and perimeter = 48 cm, then side PQ =
(i)
20.00 cm
(ii)
14.00 cm
(iii)
17.00 cm
(iv)
22.00 cm
(v)
12.00 cm
Question
3
3.
In △PQR, if base QR = 15 cm and the corresponding height of side QR = 10.23 cm, then area of the triangle =
(i)
71.75 sq.cm
(ii)
76.75 sq.cm
(iii)
73.75 sq.cm
(iv)
79.75 sq.cm
(v)
81.75 sq.cm
Question
4
4.
If the side of an equilateral triangle is 20 cm, the height of the equilateral triangle =
(i)
14.32 cm
(ii)
17.32 cm
(iii)
22.32 cm
(iv)
20.32 cm
(v)
12.32 cm
Question
5
5.
If the side of an equilateral triangle is 20 cm, the perimeter of the equilateral triangle =
(i)
65.00 cm
(ii)
63.00 cm
(iii)
60.00 cm
(iv)
57.00 cm
(v)
55.00 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)
11.00 cm
(iii)
19.00 cm
(iv)
13.00 cm
(v)
21.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 17 cm, CA = AB and perimeter is 45 cm, then side AB =
(i)
9.00 cm
(ii)
17.00 cm
(iii)
11.00 cm
(iv)
19.00 cm
(v)
14.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 17 cm and the corresponding height is 8.47 cm, then side AB =
(i)
15.00 cm
(ii)
9.00 cm
(iii)
7.00 cm
(iv)
12.00 cm
(v)
17.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 15 cm, PQ = 14 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
17.00 cm
(ii)
11.00 cm
(iii)
14.00 cm
(iv)
19.00 cm
(v)
9.00 cm
Question
10
10.
In a right angled triangle △PQR, if QR = 20 cm, PQ = 16 cm are the lengths of perpendicular sides , then area of the triangle =
(i)
132.00 sq.cm
(ii)
183.00 sq.cm
(iii)
160.00 sq.cm
(iv)
157.00 sq.cm
(v)
175.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 13 cm and the corresponding height is 11 cm, then area of the triangle =
(i)
66.50 sq.cm
(ii)
74.50 sq.cm
(iii)
71.50 sq.cm
(iv)
68.50 sq.cm
(v)
76.50 sq.cm
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (ii)
5) (iii)
6) (i)
7) (v)
8) (iv)
9) (iii)
10) (iii)
11) (iii)