Question

find the area of circle whose centre is -3,2 and 2,5 is a point on the circle
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Answer 1

Step-by-step explanation:

A circle on a coordinate plane has its center at (2,5). The circle's edge touches the point (–2, 5). What is the area of the circle in square units?

Precalculus Connection to Areas

1

π

u

n

i

t

s

2

50.26548246 unit

s

2

Explanation:

if the centre is (2,5) and it touches (-2,5)

2- -2=2+2=4 the radius is 4 units

the area is

π

r

2

=

π

×

4

2

=

16

π

Answer 2

Answer:

16

π

u

n

i

t

s

2

50.26548246 unit

s

2

Explanation:

if the centre is (2,5) and it touches (-2,5)

2- -2=2+2=4 the radius is 4 units

the area is

π

r

2

=

π

×

4

2

=

16

π