Helpful tips

How do you find the outer radius?

How do you find the outer radius?

The outer radius is the (positive) distance between this x position and x = 6, so R = 6 – y2. The volume of each washer is the volume of a disk of radius R that’s had a disk of radius r removed from its center.

What is outer radius of a circle?

Radius of outer circle(R) =19 m. ∴ Circumference of outer circle =2πR=2×3.14×19=119.32m. Now radius of inner circle(r) =19−10=9m because distance between the circumference of inner circle to outer circle is 10 m so we subtract it from the radius of outer circle to find the radius of inner circle.

What is the formula of radius section?

The two formulas that are useful for finding the radius of a circle are C=2*pi*r and A=pi*r^2.

What is half of a radius called?

In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle. The full arc of a semicircle always measures 180° (equivalently, π radians, or a half-turn).

What is the area of a sector of a circle of radius 5cm and its angle is 96?

Hence, the area of a sector of a circle of radius 5 cm and its angle is 96 degrees is 20.952 .

Is the radius half of the diameter?

The radius of a circle is the length of the line segment from the center of a circle to a point on the circumference of the circle and diameter is a line segment from one end of the circle to the other end of the circle passing through the center of the circle. So, the radius is half the length of the diameter.

Is radius half of a diameter?

What is the area of a sector of a circle of radius 5 cm and angle is 90 degree?

= (96/360)*(220/7) = 8.38 cm. Answer. The area of a circle of 5 cm radius = (22/7)*5*5 = 550/7 cm.. The area of a sector of the circle with an angle of 96 deg.

Is the area of a sector by radius 5 cm if radius makes a right angle?

Given, radius = 5 cm and length = 3.5 cm. Therefore, Area of the sector of circle = 8.75 cm².

How to calculate inner radius and outer circumference?

Calculate inner radius, outer circumference, area enclosed by the outer circle, area enclosed by the inner circle, area of the shaded region | Given outer radius, inner circumference.

How to calculate the inner radius of an annulus?

Calculate inner radius, outer circumference, inner circumference, area enclosed by the outer circle, area of the shaded region | Given outer radius, area enclosed by the inner circle.

How to calculate the radius of a ring?

A smaller circle (inner circle) with the radius r = 3 cm and the larger circle (outer circle) with radius R = 5 cm. We used lower case letter r to represent the radius of inner circle and Upper case letter R to represent the radius of outer circle.

How to calculate the radius of a path?

Width of the path = 14 cm Diameter of the inner circle is 360 cm. Radius of inner circle (r) = 360/2 = 180 cm Radius of outer circle is (R) = 180 + 14 = 194 cm