If the area of the
regular pentagon
shown in the image
is 60 cm? and each
of its sides measure
8 cm, what is the
area of the circle (in
cm?)?
Answers
Answered by
3
Answer:
Area of pentagon = [
2
n
×a×
R
2
−
4
a
2
] sq. units
=[
2
5
×8×
7
2
−74
]cm
2
=[20×
49−16
]cm
2
[20×
33
]cm
2
=[20×5.74]cm
2
=(114.8)cm
2
Similar questions