If two sides of a triangle are 8 cm and 11 cm and also the perimeter is 32 cm, then its area is
24 cm2
8 √30 cm2
16 cm2
20 cm 2
If semi perimeter of an equilateral triangle is 15 cm, then its area is
25
30√3
30
25√3
The area of a triangular sign board of sides 6 cm, 8 cm and 7 cm is
65 cm2
30.2 cm 2
60.2 cm 2
20.3cm 2
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
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
Semi perimeter of Δ ABC is _____ cm.
30 cm
36 cm
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
