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stiks02 [169]
3 years ago
11

Use the net to determine the total surface area. Please help ASAP

Mathematics
1 answer:
wariber [46]3 years ago
5 0

Answer:

C.  S.A. = 340.8 cm^{2}

Step-by-step explanation:

Area of rectangles = 6x 12 = 72 cm^{2}

all three have the same area - 72 x 3 = 216 cm^{2}

Area of triangle = 10.4 x 12 ÷ 2

Since there are 2 trignles - 10.4 x 12 = 124.8 cm^{2}

Add all sides up

S.A. = 216 cm^{2} + 124.8 cm^{2}

S.A. = 340.8 cm^{2}

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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