3 years ago

Ill mark brainlist plss help

Mathematics

1 answer:

ZanzabumX [31]3 years ago

8 0

Answer:

20 cm

Step-by-step explanation:

Find the area of the square first ( b x h ) then the area of one of the triangles (1/2 b x h). The sqaures base is 3 and height is 4 so the area is 12 ( 3 x 4 = 12) and the triangles you multiply the base x height again, and divide it in half

( 2 x 4 1/2). This leaves you with twenty.

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