rebeccamott22 rebeccamott22

10-05-2021
Mathematics

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what is the area for #2 and #4
evidence is would be greatly appreciated!

what is the area for 2 and 4 evidence is would be greatly appreciated class=

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XKentang XKentang

10-05-2021

Answer:

2.)70

4.)451,17

Step-by-step explanation:

2.)

a1 = 8*5 = 40

a2 = ((20-8)*5)/2 = 30

aTotal = 40+30 = 70

4.)

a1 = 18*18 = 324

a2 = (πr²)/2 = 127,17

aTotal = 127,17 + 324 = 451,17

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