24. Find the area of an equilateral triangle whose perimeter is 180 cm.
Answers
Answered by
1
Step-by-step explanation:
Given that the perimeter of an equilateral triangle is
180
c
m
.
P
=
180
c
m
Let the side length of the given equilateral triangle be
x
So
3
x
=
180
x
=
180
3
x
=
60
c
m
So the area of the given equilateral triangle-
A
=
√
3
4
x
2
A
=
√
3
4
(
60
)
2
A
=
√
3
4
(
3600
)
A
=
√
3
(
900
)
A
=
900
(
1.732
)
A
=
1558.8
c
m
2
A
≈
1559
c
m
2
So the area of the given triangle is
1559
c
m
2
.
Answered by
0
Answer:
1558.85cm^2
Step-by-step explanation:
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