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HELP ME. I need help ASAP. I need it fast pls

HELP ME. I need help ASAP. I need it fast pls
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3 votes
HELP ME. I need help ASAP. I need it fast pls

HELP ME. I need help ASAP. I need it fast pls-example-1
User Volodymyr Symonenko
by
7.6k points

1 Answer

2 votes

Explanation:

to find slant height.

  • l²=(a/2)²+h²
  • l²=2.25+36
  • l=√38.25
  • l=6.18

total surface of square base pyramid =a²+2al

  • 2.25+2×1.5+6.18
  • 11.43 cm²

hope it helps.

stay safe healthy and happy.

User Deadpool
by
8.6k points
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