Question

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
​

Answer 1

$\underline\red{\bold{answer}}$ = 48 cm

$\underline\green{\bold{GIVEN \: \: THAT}}$

•. The perimeter of equilateral triangle = 144 cm

${\bold{\sf{\red{\underline{SOLUTION}}}}}</p><p></p><p>$

• We know that the three sides of equilateral triangle are Equal to one another .

• Let

one side of triangle = a

• Then

• According to the question perimeter of equilateral triangle

$a + a + a = 144 \\ = > 3a = 144 \\ = > a = \frac{144}{3} = 48 \: cm$

Now we got a = 48 cm

$\blue{\texttt{your answer}}$

• Side of EQUILATERAL TRIANGLE is 48 cm.