aflahumr
aflahumr aflahumr
  • 20-06-2021
  • Mathematics
contestada

What is the area of the given compound shape?

a) 69.8cm^2
b) 39.8cm^2
c) 49.6cm^2​

What is the area of the given compound shapea 698cm2b 398cm2c 496cm2 class=

Respuesta :

bhadelsimron19
bhadelsimron19 bhadelsimron19
  • 20-06-2021

Answer:

39.8 cm^2

Step-by-step explanation:

area of triangle

base = 5 cm

height = 12 cm

are of triangle = base *height / 2

=5*12/2

=60/2

30 cm^2

area of semi circle

diamtere = 5

radius = diameter/2

=5/2

=2.5

area of semi circle = πr^2/2

=3.14*2.5^2/2

=19.625/2

=9.8125 cm^2

are of the figure = are of triangle + area of semicircle

=30 + 9.8125 cm^2

=39.8125 cm^2

=39.8 cm^2   (after converting to the nearest tenth)

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