186 Answered Questions for the topic Circles

#### How much more pizza do you get if you purchase a large pizza instead of a medium?

A large pizza has a diameter of 10 square inches. A medium pizza has a diameter of 8 square inches. How much more pizza do you get if you purchase a large pizza instead of a medium? Round your...
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10/01/21

#### The line 2y-x=12 intersects the circle x2+y2-10x-12y+36=0 at the point A and B. The perpendicular bisector of AB intersects the circle at the point P and Q. What is the exact coordinates of P and Q?

The line 2y-x=12 intersects the circle x2+y2-10x-12y+36=0 at the point A and B. The perpendicular bisector of AB intersects the circle at the point P and Q. What is the exact coordinates of P and...
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#### Geometry Accel 9th Grade Angels/Radians

An angle has an intercepted arc length of 18.6 cm and has a radius of 3 cm. What is the arc measure in radians?

#### Need help with this asap pls!!

Create a round object to hang in your window that will touch the midpoints of all four edges of your window (think about what shape your window must be so that a circular object will touch the...
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#### In circle O, diameter AB̅, chord BC̅, and radius OC̅ are drawn, and the m of arc BC : m of arc BC = 5 : 3

In circle O, diameter AB̅, chord BC̅, and radius OC̅ are drawn, and the m of arc BC : m of arc BC = 5 : 3.What is the mABC?

#### Determine the length of the radius of the circumscribed circle to the right triangle with legs 7 cm and 4 cm. Round your answer to the nearest hundredth

Determine the length of the radius of the circumscribed circle to the right triangle with legs 7 cm and 4 cm. Round your answer to the nearest hundredth

#### is a circle with the centre the origin. A tangent to C passes through the point (-20,0) and (0,10). Work out an equation of C. You must show all your working. how to get the full 5 marks.

How to get the full 5 marks and is the answer x^2 + y^2 = 100

03/30/21

#### Write an equation for an ellipse that has foci at (19,3) and (-7,3), with the length of the major axis being 30.

I just need the thorough steps. Thank you. I need a, b, h, k, etc.

#### Find the exact circumference of the circle and approximate the circumference using 3.14 as an approximation for pi (full circle)

The line goes through the whole circle and says 21 feet.The exact area is blank (feet, square feet, or cubic feet) (exact number in terms of pi. Integers or decimals for any numbers in the...
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#### Find the exact circumference of the circle and approximate the circumference using 3.14 as an approximation for pi

The dot is in the middle of the circle and says 38 yards.The exact circumference is blank (yards, square yards, or cubic yards) (exact number in terms of pi)The circumference of the circle using...
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#### equations of circles

write the equation in standard form for the circle passing through (1,0) centered at the origin

#### equations of circles

write the equation in standard form for the circle passing through (1,0) centered at the origin

#### Math Intersecting Circles

If someone can help me prove the expression by finding the area of the purple area, took me time and I can't figure it out, thanks!

Circles

09/30/20

#### I need help with this question

Write the equation in standard form for the circle with radius 4 centered at the origin

#### Circle equation question(s)

So in this question, it is asking to graph a venn diagram with three circles. The equations I used are the followingLE1: (x-h^2)^2+(y-k)^2=r^2E2: (x-h)^2+(y-k)^2=r^2E3:...
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#### Help please with my circle geometry question

In an image, circles M,N,P,and Q are inscribed into circle O. Circles M and P are tangent to the center of circle O and eachother. They are cogruent and circle N is congruent to circle Q. Circles N...
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Circles Math

04/03/20

#### Diameter, Area, Circlular - Math word problem - PLEASE HELP

Farmer Brown is prepping his circular garden for the new spring / summer season of vegetables. The garden has to be larger than 25 square feet. If the diameter of the garden is 10 cm, what is the...
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#### Prove that the two circles shown below are similar.

Prove that the two circles shown below are similar.Circle X is shown with a center at negative 2, 8 and a radius of 6. Circle Y is shown with a center of 4, 2 and a radius of 3.

01/02/20

#### Circle Theorems

Anatoli is making a cement step for his patio in the shape of a sector of a circle. He has enough cement to fill an area of 3.6 square meters (m^2) such that the central angle is 1.2 radians. What...
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#### Where do I start?

Let A be the area of a circle with radius r. If dr/dt=3, find dA/dt when r=5.So I know to use the equation A=(pi)r^2 but, I don't know where to go from there. Do I plug in 5 for r and solve?

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