Answer:
h= -29.6
Step-by-step explanation:
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Answer:
16
Step-by-step explanation:
Complementary angles are angles which add to 90 degrees. This means 4x + 26 = 90. Solve for x using inverse operations in the equation.
4x+26 = 90
4x = 64
x = 16
It's would be plus haft that number (it's a negative) and the next number would be 0
Answer:
Step-by-step explanation:
area of blue triangle = 0.5×8×3 = 12 cm²
area of A = 5×12 = 60 cm²
area of C = area of A
area of B = 8×12 = 96 cm²
total surface area = 2×12 + 2×60 + 96 = 240 cm²