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
Find the area of an isosceles right angled triangle with equal side a is
√3/4 a2
a2/2
2a
None of these
The area of an equilateral triangle with perimeter 60 cm is
100 cm2
100 √3 cm2
150 cm2
150 √3 cm 2
The sides of a triangle are in the ratio of 13 : 14 : 15 and it perimeter is 84 cm. Find the area of the triangle.
336 cm2
315 cm2
412 cm2
440 cm2
The area of a rhombus where perimeter is 80 cm and one of whose diagonal is 24 m, is
384 m2
19 m2
300 m2
264 m2
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 in the sides measuring 13 m, 12 m and 5 m is
25 m2
27 m2
20 m2
30 m2
The area of right triangle in which sides containing the right angle are 20 cm and 15 cm is :
125 cm2
200 cm2
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