Answer:
12,475.3cm^3
Step-by-step explanation:
volume = π x r2 x h
π x 19^2 x 11 = 12,475.264
rounded = 12,475.3
Answer:
akk
Step-by-step explanation:
The sum of complementary angles is 90 degrees, thus
3x + 6 + 3x + 18 = 90
=> 6x + 24 = 90
=> 6x = 90 - 24 = 66
=> x = 66 / 6 = 11
=> m<A = 3(11) + 6 = 33 + 6 = 39 degrees.