2. Find the area of a regular octagon with radius 3. Round your answer to the nearest tenth.

Q: Find the area of the sector of a circle with radius 12 meters formed by a central angle of 10…

A: It is given that circle has radius 12 meters formed by a central angle of 10 .That is, r=12,θ=10.…

Q: Construct a regular pentagon in a circle of radius 2 units.

A: Given, a regular pentagon in a circle of radius 2 units.

Q: A 30 cm chord is 8 cm from the center. What is the length of the radius? A. 8 cm В. 16 ст C. 17 cm…

A: The following figure is shown below. From the above figure, AB is the chord.  OC⊥AB: when…

Q: Define the radius?

A: Radius  is the distance between center of a circle and any point on it's circumference. Radius is a…

Q: re has 16-cm sides. Describe its image for a dilation with center at one 0.8.

A:

Q: Confirm that the circumference of a circle of radius a is 2pa.

A: Given: Consider a radius of a circle is a. r=a

Q: what's the radius of this circle ?

A: The area of a circle is given by πr2 where r is radius of circle. The area equals 9π ft2.

Q: show: area of G semi -circle. Vr2-メdx - Reference any trig. . identi ties

A: