Question

find the perimeter of an isosceles triangle whose base measures 10 cm and altitude 12cm also find the area of the triangle​

Answer 1

Step-by-step explanation:

Length of two equal sides = √12²+5² = √169 = 13 cm.

Area of triangle = 1/2 × base × height

= 1/2 × 12 × 10

12 × 5 = 60 cm²

perimeter = 13 + 13 + 10 = 36 cm.

hope this answer helps you dear!.