Answer:
not at all
Step-by-step explanation:
Area of lower triangular prism:
1/2 x L x H X W
1/2 x 8 x 4.5 x 30 = 540
area of top triangular pyramid
1/3 x B x H
B = 1/2 bxh = 1/2 x 8 x 4.5 = 18
1/3 x 18 x 10 = 60
total volume = 540 + 60 = 600 cubic cm
Answer:
58 degrees
Step-by-step explanation:
If angle 1 + angle 2 = 90 degrees, then:
(3x - 4) + (4x+10) = 90
Combine like terms:
(3x+4x) + (10-4) = 90
7x + 6 = 90
Subtract 6 from both sides:
7x = 84
Divide both sides by 7:
x = 12
**Plug x back into angle 2 (This step is easy to forget!):
angle 2 = 4(12) + 10
angle 2 = 48 + 10
angle 2 = 58 degrees