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I need help on the first question ( 4 )

I need help on the first question ( 4 )-example-1

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Answer:162 Square Centimenters Work: Step:1 Do 18÷2 since the base is half as long as the height which would equal 9. Then, do 18×9=162 Square Centimeters
User Blanen
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height = 18 cm

The base is half as long means as height
base = height/2 = 18/2 =9 cm.

Area= base*height = 18*9 =162 cm²

Area=162 cm²
User Casper
by
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