Math, asked by unnatipatel24183, 3 months ago

perimeter of equllateral triangle is 18cm. find its area

Answers

Answered by manishgodara7851

6

Answer:

a=6cm

P Perimeter

18

cm

Step-by-step explanation:

a=6cm

P Perimeter

18

cm

Answered by tharanipriyasc2813

3

Answer:

perimeter of an equilateral triangle = 3a

3a = 18

a = 6 cm

area of an equilateral triangle = √3/4 a^2

= √3/4 × a×a

= √3/4 × 6×6

= 9√3 sq.cm

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