5) If the perimeter of equilateral triangle is 144 cm ? then measure of its
side is
A) 12 cm.
B) 15 cm.
C) 48 cm.
D) 24 is
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5) If the perimeter of equilateral triangle is 144 cm ? then measure of its
side is
A) 12 cm.
B) 15 cm.
C) 48 cm.
D) 24 is
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Answer:
Perimeter of a triangle= sum of all three sides
144 =3x
144/3= X
48 = X
48 cm is answer
➠ Perimeter of a equilateral Triangle = 144 cm
➠ Measure of it's each side
➠ As we know that
Perimeter of a equilateral Triangle = 3 × Side
➠ Let's find out !
∴ Measure of its side is 48 cm
❶ Perimeter of a triangle = Sum of all sides
❷ Area of a triangle =
❸ Area of Equilateral Triangle = (√3/4)side²
___________
All Done ! :D