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Brrunno [24]
2 years ago
6

1. The backdrop of the altar in a church is triangular in shape. It has a base of 10.5 meters

Mathematics
1 answer:
FrozenT [24]2 years ago
8 0

Answer:

#1

<u>Area of triangle backdrop:</u>

  • A = 1/2bh = 1/2(10.5)(8.5) = 44.63 m²

<u>Area of the cloth:</u>

  • A = 4.5*4 = 18 m²

<u>Uncovered area:</u>

  • 44.63  - 18 = 26.63 m²

Choice A

#2

<u>Area of the cut piece:</u>

  • A = πr² = 3.14*7.6² = 181.37 cm²

<u>Area of the square piece:</u>

  • A= a² = 34² = 1156 cm²

<u>Remaining piece is:</u>

  • 1156 - 181.37 = 974.63 cm²

Choice B

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