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 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 rhombus where perimeter is 80 cm and one of whose diagonal is 24 m, is
384 m2
19 m2
300 m2
264 m2
Semi perimeter of Δ ABC is _____ cm.
12 cm
24 cm
30 cm
36 cm
The area of trapezium in the adjoining figure is
296 m2
306 m2
276 cm2
286 m2
The area of right triangle in which sides containing the right angle are 20 cm and 15 cm is :
125 cm2
200 cm2
The sides of a triangle are 3 cm, 4 cm and 5 cm. Its area is
6 cm2
8 cm 2
12 cm2
15 cm2
The altitude of an equilateral triangle with side 8 cm is
8 cm
4 cm
8√3
4 √3 cm
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
