Answer:
Answer is D. Please thank me and give 5 stars
Answer:
this is the correct answer look this img
The sides of the triangle are 3x, 4x and 5x
3x + 4x + 5x = 90
12x = 90
x = 90/12
x = 7.5
first side = 3x = 3 * 7.5 = 22.5 cm
second side = 4x = 4 * 7.5 = 30 cm
third side = 5x = 5*7.5 = 37.5 cm
Total = 16
Graduates = 4



Rounding off to 2 decimal places,
Answer is 0.06
Hope this helps. - M