Sum of angles of a traingle is
90o
360o
270o
180o
The sides of a triangle are 3 cm, 4 cm, 5 cm. Find its area.
2
4
6
8
Base and height of a right angled triangle are 4 cm and 2 cm respectively. Then its area is
2 sq.cm
8 sq.cm
4 sq.cm
9 sq.cm
Find the area of an equilateral triangle of side 4cm, correct to three significant figures
6930
6.928
69.331
0.693
Find the area of an equilateral triangle of side 8cm correct to three significant figures.
2.7712
27.712
277.12
2771.2
Triangles having all three sides equal is called _________ triangle
Equilateral
Isosceles
Scalene
None of these
Triangles having two sides are equal is called _____ triangle
None
Formula for finding the area of an equilateral triangle is
√3 a2
6 √3 a2
The altitude to the side of 5 cm of a triangle having area of 7.5 sq.cm
4 cm
3 cm
3.5 cm
4.5 cm
A rectangle of length 9 cm and breadth 4 cm is cut into two equal triangles. What is the area of one triangle?
42 sq.cm
36 sq.cm
52 sq.cm
18 sq.cm
