Answer:
Use Pythagorean Theorem for each triangle and then add the two sides.
Answer:
94cm²
Step-by-step explanation:
S = 2(lw + lh + wh)
=2(20+15+12)
=40+30+24
=94cm²
Hope this helps! Can u give me brainliest, please:)
Answer:
should be 192
Step-by-step explanation:
Answer:
yt
Step-by-step explanation: