Question

Find the perimeter of the new similar triangle to the triangle below with a ratio of 3:5, old to new triangle

A. 24.17
B. 8.7
C. 14.5
D. 24
E. 9

Answer 1

A. 24.17.

Explanation:

Perimeter of given triangle

= 4 + 4.5 + 6

= 14.5.

3:5 = 14.5 : P where P is perimeter of new triangle

3/5 = 14.5/P

3P = 5*14.5

P = 14.5 * 5 / 3

= 24,166667

= 24.17.