9/40 + 2/40 = 11/40
hope this helps
Answer:
10*-3= -30
Step-by-step explanation:
10*-3= 5*-8
V=pi x (r)^2 x h
V-volume r-radius h-height
V= pi x (3)^2 x 9
V= pi x 9 x 9
V= pi x 81
V= 254.47 (rounded)
Answer: <DEF & <JKL
they equal 90 degrees
complementary angles equal 90 degrees