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 = 18 cm, RP = 16 cm, PQ = 17 cm, then perimeter of the triangle =
(i)
46.00 cm
(ii)
48.00 cm
(iii)
51.00 cm
(iv)
54.00 cm
(v)
56.00 cm
Question
2
2.
In △PQR, if QR = 19 cm, RP = 14 cm and perimeter = 51 cm, then side PQ =
(i)
15.00 cm
(ii)
18.00 cm
(iii)
21.00 cm
(iv)
23.00 cm
(v)
13.00 cm
Question
3
3.
In △PQR, if base QR = 19 cm and the corresponding height of side QR = 14.68 cm, then area of the triangle =
(i)
112.43 sq.cm
(ii)
131.43 sq.cm
(iii)
139.43 sq.cm
(iv)
153.43 sq.cm
Question
4
4.
If the side of an equilateral triangle is 15 cm, the height of the equilateral triangle =
(i)
12.99 cm
(ii)
17.99 cm
(iii)
15.99 cm
(iv)
9.99 cm
(v)
7.99 cm
Question
5
5.
If the side of an equilateral triangle is 19 cm, the perimeter of the equilateral triangle =
(i)
54.00 cm
(ii)
62.00 cm
(iii)
57.00 cm
(iv)
52.00 cm
(v)
60.00 cm
Question
6
6.
If area of an equilateral triangle is 110.85 sq.cm, the side of the equilateral triangle =
(i)
19.00 cm
(ii)
13.00 cm
(iii)
21.00 cm
(iv)
16.00 cm
(v)
11.00 cm
Question
7
7.
In an isosceles triangle △ABC, if BC = 18 cm, CA = AB and perimeter is 52 cm, then side AB =
(i)
12.00 cm
(ii)
20.00 cm
(iii)
14.00 cm
(iv)
17.00 cm
(v)
22.00 cm
Question
8
8.
In an isosceles triangle △ABC, if base BC = 14 cm and the corresponding height is 8.49 cm, then side AB =
(i)
6.00 cm
(ii)
14.00 cm
(iii)
16.00 cm
(iv)
11.00 cm
(v)
8.00 cm
Question
9
9.
In a right angled triangle △PQR, if QR = 10 cm, PQ = 20 cm are the lengths of perpendicular sides , then corresponding height of side QR =
(i)
25.00 cm
(ii)
23.00 cm
(iii)
17.00 cm
(iv)
15.00 cm
(v)
20.00 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)
104.00 sq.cm
(iv)
102.00 sq.cm
(v)
148.00 sq.cm
Question
11
11.
In a right angled triangle △PQR, if the base QR = 10 cm and the corresponding height is 14 cm, then area of the triangle =
(i)
73.00 sq.cm
(ii)
65.00 sq.cm
(iii)
67.00 sq.cm
(iv)
75.00 sq.cm
(v)
70.00 sq.cm
Assignment Key
1) (iii)
2) (ii)
3) (iii)
4) (i)
5) (iii)
6) (iv)
7) (iv)
8) (iv)
9) (v)
10) (ii)
11) (v)
