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If the circumference is 78 what is the diameter?
The diameter will be the circumference of 78 divided by pi
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 square meters in a room that measures 24x35 feet?
A 24 x 35 foot room is about 78 square meters.
What is is a circumference of basketball?
30 inches - The circumference of a Basketball varies according to the governing organization's rules. According to the FIBA, it is 78 cm (30.7"). In the NBA, it is 29 1/2" to 29 3/4" around the channels and 29 5/8" to 29 7/8" across the channels. In the NCAA the maximum Circumference is 30".The NBA also recommends these sizes for different athletesSize 3: circumference 22 to 22.5 inches, weight 10-11 ounces, recommended for small children (age 5-8). It has a diameter of 7 to 7.16 inches and a radius of 3.5 to 3.58 inchesSize 5: circumference 27.25 to 27.75 inches, weight 16.6-18 ounces recommended for boys and girls under 12 years old (junior league). It has a diameter of 8.67 to 8.83 inches and a radius of 4.34 to 4.42 inches.Size 6: circumference 28.5 to 29 inches, weight 20 ounces, recommended for boys and 12-14 and girls and women age 12 and up. This is the official game ball for women's high school, university and professional basketball. It has a diameter of 9.07 to 9.23 inches and a radius of 4.54 to 4.62 inches.Size 7: circumference 29.5 to 30 inches, weight 22 ounces, recommended for men and boys age 15 and up. This is the official game ball for men's high school, university and professional basketball. It has a diameter of 9.39 to 9.55 inches and a radius of 4.7 to 4.77 inches.
