First find the length of the diagonal of a square of side 4 inches:
d^2 = 4^2 + 4^2 = 2*4^2 = 32. Then the diagonal of the cube has length
sqrt( 32 + 4^2) = sqrt(32+16) = sqrt(48) = 4sqrt(3).
Answer:
D. 18
Step-by-step explanation:
change 20% to decimal by dividing by 100.
20/100 = 0.20
Now multiply by 90.
90 x 0.20 = 18
Answer:
70
Step-by-step explanation:
26 times 2 the plus 18 and you get 70 hope this helps