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Please help and explain!

Find the total surface area shown down below

Ignore the colors!


Please Help And Explain Find The Total Surface Area Shown Down Below Ignore The Colors class=

Sagot :

first you find the square and the are of the square would be 7*4=28.

then you move on to the triangles the purple ones together are 7 * 5 = 35 , since there’s 2 you don’t have to divide the area by 2 just use it as the combined for both

then black same thing 4*3 = 12

so
12+35+28=75