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66 Answered Questions for the topic Circle

Circle

03/28/18

Draw a scaled copy of the circle using a scale factor of 2.

The circle has a radius of 3/4 inches.
Circle Perimeter Pi

03/19/18

Pi Day Problem

If the top surface of a particular slice of pie is a sector of a circle with a vertex angle measuring 20 degrees and the length of the arc is 3.14π units, what is the perimeter(left in terms of π)... more
Circle

02/15/18

Find the value of x if ( 60-3x) and (4x-7) are the opposite angles of any cyclic quadrilateral

I am confused by this, and unable to understand this 

12/15/17

Each side of a regular septagon (7 sides) is 10cm long. What is the radius of the inscribed circle?

 I don't want it done using a formula. I want to learn how to do it using cos, tan, sin or sin(a)/A = sin(b)/B, sin(b)/B=sin(c)/C.
Circle Math Geometry

10/24/17

what are the coordinates of the center and the length of the radius of the circle?

The equation of a circle is x^2+y^2-2x+6y+3=0. What are the coordinates of the center and the length of the radius of the circle.
Circle

05/19/17

The equation of circle O in (x-5)^2+(y+1)^2=65. Does circle Oncontain the point (-2,3)

The equation of circle O in (x-5)^2+(y+1)^2=65. Does circle Oncontain the point (-2,3)?

02/26/17

Find the center and the radius of the circle with equation?

x^2+y^2+6x-10y-10=0

02/26/17

Find the equation of the circle?

a diameter of a circle has endpoints (2,3) and (4,5).

02/17/17

having doubt on area of circle

we know that the circumference of the circle is 2(pi)r so if we draw lines from each point to the centre then we should get the area of the circle and it should be 2*(pi)*r*r , ;) instead of... more
Circle

01/27/17

ABC is a triangle inside the circle .D and E are points on AB and AC respectively. AB and AC are two chords of circle whose centre is o. If OD is perpendicular

ABC is a triangle inside the circle .D and E are points on AB and AC respectively. AB and AC are two chords of circle whose centre is o. If OD is perpendicular to AB , OE is perpendicular to AC and... more
Circle

01/27/17

O is the centre of a circle .chord CD is parallel to diametre AB .if angle ABC =25 ,then calculate angle CED .

Detail of figure - draw a circle with centre o and diametre AB and chord CD parallel to it .through chord CD make an angle CED above centre O of the circle at any point on the circle .
Circle

01/26/17

two equal chords AB and CD of a circle with centre O .when produced ,meet at a point E .prove that BE = DE and AE= CE

Detail of figure - A circle with centre O and draw two equal chords opposite to centre O with slightly inclined when produced both chords meet at point E outside the circle 
Circle

01/26/17

a circle with centre O and diameter COB is given .if AB and CD are parallel ,then show that AC chord is equal to chord BD .

Give solution  with proper figure sir please urgent basis 
Circle

01/24/17

in a circle angle BAC= 55 Angle BCA = 62 ,the altitude BE produced meets the circle at D find angle ACD, angleDAC andangle ADB

in a circle angle BAC= 55 Angle BCA = 62 ,the altitude BE produced meets the circle at D find angle ACD, angleDAC andangle ADB GIVE SOLUTION URGENT DETAIL OF FIGURE - A TRIANGLE ABC IS INSCRIBED... more
Circle

01/23/17

on a common hypotenuse ab two right angled triangles acb and adb are situated on opposite sides .prove that angle bac = angle bdc

Answer it urgently please sir step by step 

09/15/16

what is the radius of a circle with circumference 73yd? Write the formula in terms of r. Find the radius using the formula C=2(pi)r. Round to nearest tenth.

what is the radius of a circle with circumference 73yd? Write the formula in terms of r. Find the radius using the formula C=2(pi)r. Round to nearest tenth.
Circle

08/17/16

With general form of circle, make it into standard form.

Complete the square and write the equation of the circle into standard form.5x^2-9x+5y^2-8y=0Find the center (h,k) and radius r.
Circle

07/08/16

Find the area of a circle whose diameter has the endpoints (-1,3) (3,1)

Hi, I need help solving the question in the title. Thanks 

06/23/16

Ferris wheel multiple questions

4)  Another Ferris wheel has a radius of 25 feet and reaches a maximum height of 55 feet above the ground. From the location of your seat when the wheel starts turning, it takes you 6 seconds to... more

06/23/16

Finding the distance from ceiling to each point in the clock and finding an equation with cosine or sine

2) Clock #2: A clock has a radius of 6 inches. The center is 14.5 inches below the ceiling. Measure the distance from the ceiling to the tip of the hour hand at each hour beginning at 12 (which is... more
Circle

06/14/16

The Beijing wheel, soon to be the world's largest Ferris wheel at 208 metres tall, will have 48 air conditioned observation capsules evenly spaced out alon

The Beijing great wheel soon to be the world's largest Ferris wheel at 208 metres tall, will have 48 air conditioned observation capsules evenly spaced out along the 622m metal ring. You will reach... more

05/14/16

how do you find the equation of a circle with the ends of the diameter (1,16) and (-1, -18)?

how do you find the equation of a circle with the ends of the diameter (1,16) and (-1, -18)? finding the equation of a circle

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