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(a)Find the area (in square centimeters) of an equiangular triangle with a perimeter of 22.2 cm.

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b)Find the area (in square inches) of an equiangular triangle with a radius of length 6 in.

(a)Find the area (in square centimeters) of an equiangular triangle with a perimeter-example-1
User Wookie
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1 Answer

1 vote

Answer:

For A=23.71cm²

perimeter of equilateral TRAINGLE=3a

[here a=side]

22.2=3a

a=22.2/3=7.4cm

we have

Area of equilateral TRAINGLE =

√3 /4×a²=√3/4×7.4²=23.71cm²

Explanation:

²

User Lanier
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