Question

find area of equilateral triangle whose each side is 8 cm
please gave step by step instructions and proof and theory​

Answer 1

Answer:

Side of an equilateral triangle = 8 cm

Area of an equilateral triangle with length of side a = root 3 / 4 a^2

so, Area of equilateral triangle

= root 3 / 4 × 8 ^ 2

= 16 root 3 cm ^2

= 16 × 1.732 cm ^2

= 27.2 cm ^2

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Answer 2

Answer:

this is the answer ..........