2 years ago

PLEASE HELP ME! I WILL GIVE BRAINLIEST

Mathematics

1 answer:

RSB [31]2 years ago

3 0

Answer:

30 cm²

Step-by-step explanation:

The shaded area is the difference of the total area and the white triangle.

The white triangle has base of 9 cm and height of 4 cm.

Its area is:

A = 1/2*9*4 = 18 cm²

Area of rectangle:

A = 12*4 = 48 cm²

The shaded area:

48 - 18 = 30 cm²

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