If the length of an arc and radius of a sector are 28cm and 14cm then the area of sector is
a. 196cm²
b.194cm²
c.176cm²
d.184cm2
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If the length of an arc and radius of a sector are 28cm and 14cm then the area of sector is
a. 196cm²
b.194cm²
c.176cm²
d.184cm2
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Answer:
a. 196cm²
Step-by-step explanation:
to make it understand i am doing it the basic way
since the radius is 14cm
SO,
circumference will be
2π = 28―
and area will be
П^2 = 196П
so if 281 of arc length give 196― of area
then 28cm of arc length will give area of
let x
28π/28 = 196T/X
x = 196 sq. cm
hope it helps