The perimeter of an isosceles triangle is 50 cm. If the base is 18 cm, then find the length of the equal sides.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 16 cm
| Application | Understanding |
| The perimeter of a triangle is the sum of the measurements of all the sides. |
Let the equal side be 'a' cm ⇒ a + a + 18 = 50 ⇒ 2a + 18 = 50 ⇒ 2a = 32 ⇒ a = 16 cm |