Question

find the are of equilateral triangle whose perimeter is 36 cm​

Answer 1

Answer:

perimeter of the equilateral triangle is

36

c

m

∴

each side =

36

3

=

12

c

m

the formula for area of an equilateral triangle is:

√

3

4

(

s

i

d

e

)

2

the side =

12

c

m

area =

√

3

4

(

s

i

d

e

)

2

=

0.433

×

(

12

)

2

=

0.433

×

144

area

≈

62.35

c

m

2

Step-by-step explanation:

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Answer 2

Answer:

363 cm ki power 2

Step-by-step explanation:

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