Sum of the interior angles of any triangle equal 180 degrees thus :
29 + x + 15 = 180
44 + x = 180
x = 180 - 44
x = 136
Answer:
972π m^3
Step-by-step explanation:
The formula for calculating volume of a sphere is : 4/3×π×r^3 (r: radius)
4/3 × π × 9^3 = 972π m^3