angelina4954 angelina4954

28-01-2021
Mathematics

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Please help! These are composite figures, find the area of the figure and round your answer to one decimal place, if necessary.

Please help These are composite figures find the area of the figure and round your answer to one decimal place if necessary class=

Respuesta :

Rezzifer Rezzifer

29-01-2021

Answer:

297.2190049

Step-by-step explanation:

Half the 9 gives 4. 5 for the triangle so you have

19x4.5=85.5

Half that because its a triangle not a square and you get 42.75

Then the area of a semicircle is half pi9 squared which is 254.4690049

254.4690049+42.75

=297.2190049

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