12 in.11 in.17 in.16 in. -

Mathematics

1 answer:

Jet001 [13]3 years ago

7 0

Answer:

16. 216 square inches

18. 252 square cm

Step-by-step explanation:

16. The figure can be decomposed into a 12×17 rectangle and a triangle with base 16-12=4 and height 17-11=6.

Then the area is ...

rectangle area = 12×17 = 204

triangle area = (1/2)(4×6) = 12

total area = rectangle area + triangle area = 204 +12 = 216 . . . square inches

18. The figure can be decomposed into a 12×12 square and a 18×6 rectangle. Then the total area is ...

area = 12×12 + 18×6 = 252 . . . square cm

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