If the perimeter of an equilateral triangle is 15cm find its area
Answers
Answered by
2
Answer:
12.5
Step-by-step explanation:
area=bxh
A=HbB/2
H5
B5
A12.5
Answered by
4
Step-by-step explanation:
perimeter=3*side
15=3*side
side=15/3
=5
area=√3/4*a*a
√3/4*25
=10.83 cm approx
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