Question

1 Find the number of equilateral triangle in geven
fig
2 the area of two equilateral triangle are equal, then these are always.
3 hoelw many triangles are similar in the given fig.
4find the area of equailatral triangle if each edge is 4 units
5find the area of hexagon, if each edge is 4 units.
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Answer 1

Answer:

Given that side of equilateral triangle is 4

3

cm

Perimeter of equilateral triangle=3× side

=3×4

3

=12

3

⇒ Perimeter is an irrational number

Now, Area of equilateral triangle =

4

3

side

2

=

4

3

×(4

3

)

2

=12

3

⇒ Here, Area and Perimeter have same numerical value