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MissTica
3 years ago
5

What’s the area of the triangle & parallelogram

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
5 0

Answer:

116 cm squared

Step-by-step explanation:

The area of the triangle is 28 cm squared.

The area of the parallelogram is 88 cm squared.

The total area of the composite figure would be 116 cm squared.

PilotLPTM [1.2K]3 years ago
5 0

Answer:

triangle:28

parallelogram:88

total area:116

Step-by-step explanation:

8×7=56

triangle->56÷2

=

{28}^{2}

parallelogram->11cm×8cm

=

{88}^{2}

total area->28cm²+88cm²=116cm²

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where s is the semi-perimeter
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 Substituting for the base,
                               s = (12 + 12 + 12)/ 2 = 18
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Multiplying this by 3 (because there are 3 faces with these dimensions, we get 144. Finally, adding the area of the base,
                          total area = 144 + 62.35 = 206.35
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3 years ago
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