Answer:
A.
Step-by-step explanation:
By geometric mean theorem:
Length of altitude

Answer:
y=5.72
Step-by-step explanation:
Let's solve your equation step-by-step.
y−1.02=4.7
Step 1: Add 1.02 to both sides.
y−1.02+1.02=4.7+1.02
y=5.72
I'm not 100% sure, but I'm pretty sure it's 1/12, 1/12, 1/12, 1/12