Question

Please help me with my online classwork!

Answer 1

• 840 cm²

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There are two triangular faces with base of 16 cm and height of 15 cm and three rectangular faces.

Find the sum of areas of all five faces:

• S = 2*(1/2)*16*15 + (17*2 + 16)*12 =
• 240 + 600 =
• 840