Q. 10

# The number of triangles in Fig. 2.10 is

A. 10

B. 12

C. 13

D. 14

Answer :

1 is the bigger equilateral triangle, then there are 4 other smaller equilateral triangle and then the altitude makes 2 new big right angle triangles and 2 smaller and 1 large triangle on each side.

total 13 triangles

Rate this question :

Write the names of six-line segments.

NCERT - Mathematics

Which two triangles have ∠B as common?

NCERT - Mathematics

Identify three triangles in the figure.

NCERT - Mathematics

Draw a rough sketch of a triangle ABC. Mark a point P in its interior and a point Q in its exterior. Is the point A in its exterior or in its interior?

NCERT - MathematicsWrite the names of seven angles.

NCERT - Mathematics

The number of triangles in Fig. 2.17 is ______.

Their names are _______.

NCERT - Exemplar MathematicsIn Fig. 2.14, points lying in the interior of the triangle PQR are ______, that in the exterior are ______ and that on the triangle itself are ______.

NCERT - Exemplar Mathematics

The number of triangles in Fig. 2.10 is

NCERT - Exemplar Mathematics

in Fig. 2.12,

∠BAC = 90° and AD ⊥ BC.

The number of right triangles in the figure is

NCERT - Exemplar Mathematics

In Fig. 2.11, AB = BC and AD = BD = DC.

The number of isosceles triangles in the figure is

NCERT - Exemplar Mathematics