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3 years ago

Find the area of the Blue part of this shape: Include the appropriate unit in your answer. Show all your work.

Mathematics

2 answers:

Margaret [11]3 years ago

6 0

Answer:

217 sq cm

Step-by-step explanation:

to find the area of the blue portion you can find the area of the entire rectangle and subtract from it the area of the triangle

Area(rectangle) = 21 x 11

A = 231

Area(triangle) = 4(7)÷2

A = 14

Area(blue) = 231 - 14 = 217

katovenus [111]3 years ago

5 0

Answer:

The area is 217cm

Step-by-step explanation:

area of triagle:

4x7 = 28

28/2 = 14

area of rectangle:

11x21 = 231

Since the triangle is inside the blue you subtract its area from the blue's area.

231-14 = 217

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Find the area of the Blue part of this shape: Include the appropriate unit in your answer. Show all your work.​

Find the area of the Blue part of this shape: Include the appropriate unit in your answer. Show all your work.