Answer:
10.44
Step-by-step explanation:
You can set up a proportion:
58/100=x/18
Cross Multiply:
100x=1,044
Divide:
x=10.44
268
2(2×6+2×2+2×6) + 2(4×5+4×10+10×5) - 2(2×2)
= 56+220-8
= 268 cm²
Answer: 54
21
For E, each angle is 60° because its an equilateral triangle.
F is 45° for x, 135° for y, lastly z is 22.5°