jamesnuttall920 jamesnuttall920

15-04-2022
Mathematics

contestada

Find the area of a semicircle with diameter 9 cm

Respuesta :

jsimpson11000 jsimpson11000

15-04-2022

Answer:

31.8 cm^2

Step-by-step explanation:

Area of WHOLE circle = pi r^2

semicircle is 1/2 of this ( r = 1/2 of the diameter)

1/2 pi r^2

1/2 pi (9/2)^2 =

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