3 years ago

Can someone help me with this geometry question?

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

8 0

Answer:

(-1,4.5)

Step-by-step explanation:

You would have to use the formula for midpoint. 5+-3/2= -1

3+6/2= 4.5 which would be -1 for x and 4.5 for y.

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Please help! i was wondering how you would solve this question!

Anon25 [30]

Answer: C. 150 km²

Step-by-step explanation:

Use similar triangle proportion to find x:

$\dfrac{x}{4.5}=\dfrac{15.3+7.4}{7.4}\\\\\\x=\dfrac{4.5(22.7)}{7.4}\\\\\\x=13.8\\\\\text{Notice that x is the diameter of the circle}\implies r=\dfrac{13.8}{2}=6.9\\\\\\\text{Find the area of the circle using }A=\pi r^2\\A=\pi (6.9)^2\\\\.\ =\pi (47.6)\\\\.\ =149.6\\\\.\ \approx150$