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Lostsunrise [7]
2 years ago
5

Triangle ABC has perimeter 20 cm.

Mathematics
1 answer:
const2013 [10]2 years ago
5 0

Answer: 28.

Step-by-step explanation: Because if you times 7 and 4 you get 28.

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the sides of a rectangle are in the ratio 2:5. if the longer side of the rectangle is 25.5 in., what are it's width, perimeter,
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Answer: The width of the rectangle is 10.2 inches, the perimeter is 71.4 inches,  the area is 260.1 inches.

Step-by-step explanation:

25.5/5=5.1

5.1*2=10.2

The width is 10.2 inches

25.5*2+10.2*2=71.4

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The area is 260.1

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