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Please help me with the question below (also please explain).

Please help me with the question below (also please explain).-example-1
User SlimDeluxe
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1 Answer

4 votes

Answer:

126cm²

Explanation:

1st of all, identified how many surface does the green one have.

So it have 2 triangle on its side, 1 rectangle on the left side, 1 rectangle at bottom and 1 rectangle on right side.

Area of 2 triangle:


2 * ( (1 )/(2) * 4 * 6)


2 * (12)


24cm {}^(2)

Area for left side rectangle (behind):


4 * 6


24cm {}^(2)

Area for bottom rectangle:


6 * 6


36cm {}^(2)

Area for right side rectangle (slend):


6 * 7


42cm {}^(2)

So the total of surface area for the green one is:


24cm { }^(2) + 24cm {}^(2) + 36cm {}^(2) + 42cm {}^(2)


126cm {}^(2)

User Archit Maheshwari
by
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