Question

10) Answer the following:
(1) A 30 cm long wire is turned into an equilateral triangle. Find
length of a side of the triangle.​

Answer 1

Answer:

10 cm

Step-by-step explanation:

Since, All sides are equal in an equilateral triangle are equal. Let the side be x.

A.T.Q.

x + x + x = 30 cm

3x = 30 cm

x = 10 cm

Answer 2

Answer:

10

Step-by-step explanation:

no. of side in a triangle =3

perimeter of triangle given =30cm

so,

formula= P= L+L+L

according to formula

P = 30cm

L= x

30cm= x+x+x

30cm= 3x

x=30cm÷3

x=10cm