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If the ratio of a circle's sector to its total area is 78 what is the measure of its sector's arc?
Length of arc = angle of arc (in radians) × radius of circle With a ratio of 7:8 the area of the sector is 7/8 the area of the whole circle. This is the same as saying that the circle has been divided up into 8 equal sectors and 7 have been shaded in. Dividing the circle up into 8 equal sectors will give each sector an angle of arc of 2π × 1/8 7 of these sectors will thus encompass an angle of arc of 2π × 1/8 × 7 = 2π × 7/8 = 7π/4 Thus the length of the arc of the sector is 7π/4 × radius of the circle. --------------------------------- Alternatively, it can be considered that as 7/8 of the area is in the sector, the length of the arc is 7/8 the circumference of the circle = 7/8 × 2π × radius = 7π/4 × radius.
How many square feet in a 10 foot diameter circle?
To find the area of a circle, you use the formula A = πr^2, where r is the radius of the circle. Since the diameter is 10 feet, the radius would be half of that, which is 5 feet. Plugging this into the formula, we get A = π(5)^2 = 25π square feet. This is approximately 78.54 square feet.
What is the area of a rectangle that has a base of 12 cm and height of 6.5 cm?
To find the area of a rectangle, you multiply the base by the height. In this case, the base is 12 cm and the height is 6.5 cm. So, the area of the rectangle would be 12 cm * 6.5 cm = 78 square cm.
What is the square root of 78 in radical form?
sqrt(78) = √78. There is no simplification.
How many square feet are 44 inches by 78 inches?
Multiply width by length to get the area. The answer would be 3432 square inches or 23.8 square feet.
What is the radius of a circle that has an area of 78 cm2?
Divide the area by the value of Pi to get the diameter. Divide the diameter by 2 to get the radius !
What is the radius of a circle with a 78 inch circumference?
Radius = 12.414 inches (to 3 dp)
The Radius equals 5 in and what is the area?
Roughly 78
The arc on a circle is 78 degrees the radius is 14 how large is the arc?
The arc is: 19.06 units
If the ratio of a circle's sector to its total area is 78 what is the measure of its sector's arc?
Length of arc = angle of arc (in radians) × radius of circle With a ratio of 7:8 the area of the sector is 7/8 the area of the whole circle. This is the same as saying that the circle has been divided up into 8 equal sectors and 7 have been shaded in. Dividing the circle up into 8 equal sectors will give each sector an angle of arc of 2π × 1/8 7 of these sectors will thus encompass an angle of arc of 2π × 1/8 × 7 = 2π × 7/8 = 7π/4 Thus the length of the arc of the sector is 7π/4 × radius of the circle. --------------------------------- Alternatively, it can be considered that as 7/8 of the area is in the sector, the length of the arc is 7/8 the circumference of the circle = 7/8 × 2π × radius = 7π/4 × radius.
How many square feet in a 10 foot diameter circle?
To find the area of a circle, you use the formula A = πr^2, where r is the radius of the circle. Since the diameter is 10 feet, the radius would be half of that, which is 5 feet. Plugging this into the formula, we get A = π(5)^2 = 25π square feet. This is approximately 78.54 square feet.
How many yards of fabric are in a circle with 132 inch diameter?
Area of circle of 132 inch diameter = 13684*78 sq inches = 10.56 sq yards.
The diameter of a round dinner plate is 10 in what is the area of the plate?
The area of the plate is equal to pi times the square of the radius. Since the plate has a 10 inch diameter, the radius is 5 inches. Therefore, the area is equal to pi times 25, or about 78. 5 inches.
What is the radius of the star Rigel?
Rigel has a radius of about 78 solar radii or 0.363 AU.
Find the radius of x2 plus y2-2x-18y equals -78?
x2 + y2 - 2x - 18y = -78 x2 - 2x + 1 + y2 - 18y + 81 = 81 + 1 - 78 (x - 1)2 + (y - 9)2 = 4 (x - 1)2 + (y - 9)2 = 22 So the radius of the circle is 2, and it's center is located at the point (1, 9).
What is the circumference of a 78 inch circle?
Circumference of a circle = PI x D, so answer is 3.142 x 78 = 245.08 ft
What is the longitude of India?
Approximate longitude of India: 78°E
