Question

One of the base angles of an isosceles triangle measures 68º. The base of the triangle measures 13

centimeters. What is the perimeter of the triangle? Round intermediate results to 3 decimal places and
the final answer to 1 decimal place

Answer 1

Explanation:

x = 6.5/cos(68°) = 17.352

Perimeter = 2x + 13 = 47.7 cm