Calculate the area and height of an eqilateral triangle whose perimeter is 60 cm.
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Given, perimeter of equilateral triangle is 60cm.
Perimeter of equilateral triangle=60cm
3× side =60
∴ side =
3
60
=20cm.
Area of equilateral triangle =
4
3
(side)
2
=
4
3
×20
2
=100
3
cm
2
=173.2cm
2
Height of equilateral triangle =
2
3
(side)
=
2
3
×20
=10
3
cm=17.32cm
Hope it helps u mate
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