Question

the perimeter of an isosceles triangle is 50 cm if its unequal side measures 20 cm find the length of equal side

Answer 1

15 cm

Explanation:

An isosceles triangle has two equal sides. Let's denote the length of each equal side as "x" cm. The unequal side measures 20 cm. The perimeter of the triangle is the sum of all three sides:

Perimeter = 2 * Equal Side + Unequal Side

Given that the perimeter is 50 cm and the unequal side is 20 cm, we can set up the equation:

50 = 2x + 20

Now, solve for "x":

2x = 50 - 20

2x = 30

x = 30 / 2

x = 15

So, the length of each equal side of the isosceles triangle is 15 cm.