Question

The sides of a triangle are in the ratio 4 :5 :7. If perimeter of the triangle is 32 cm . Find the area of triangle ( take root 6 = 2 . 45 )

Answer 1

Step-by-step explanation:

$4x + 5x + 7x + = 32 \\ 16x = 32 \\ x = 32 \div 16 \\ x = 2 \\ 4x = 4 \times 2 = 8 \\ 5x = 5x \\5 \times 2 = 10 \\ 7x = 7 \times 2 = 14$

hope this may help