The area of quadrilateral ABCD in the adjoining figure is
15.2 cm2
15.8 cm2
15 cm2
16. 2 cm 2
The sides of a triangle are in the ratio of 25 : 14 : 12 and its perimeter is 510 m. The greatest side of the triangle is
120 m
170 m
250 m
270 m
If semi perimeter of an equilateral triangle is 15 cm, then its area is
25
30√3
30
25√3
The area of a triangle with longest side 15 cm, perimeter 40 cm and difference of other two sides 1 cm is
20 √ 14 cm2
20 √7 cm2
15 √14 cm2
20 cm2
The area of an equilateral triangle with perimeter 60 cm is
100 cm2
100 √3 cm2
150 cm2
150 √3 cm 2
D, E and F are midpoints of sides QR, RP and PQ of Δ PQR.If Δ PQR is 96 cm.Then semi perimeter of Δ DEF is _____ cm.
96 cm
48 cm
24 cm
12 cm
If semi perimeter of Δ ABC is 28 cm, then its perimeter is ____cm.
14 cm
28 cm
56 cm
60 cm
Find the area of an isosceles right angled triangle with equal side a is
√3/4 a2
a2/2
2a
None of these
Sides of a triangle are 18 cm, 20 cm and 22 cm. If its area is √ x cm2, then x =
150
28800
30,000
200
The area of trapezium in the adjoining figure is
296 m2
306 m2
276 cm2
286 m2
