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What is the surface area of a sphere that has a diameter of 16 ft?
Surface area = 4*pi*82 = 804.248 square feet rounded to 3 dp
Is 500 square meters big enough to build a house?
Yes, that is a sizable parcel of land by US suburban standards (e.g. 20 x 25 meters is 65 x 82 feet, and many residential lots are 50 x 100 feet ~ 464 square meters).
What is the perimeter of a pool that is 162 feet by 82 feet?
488 feet.
How can you find the area of a 30-60-90 triangle with a hypotenuse of 16?
Using trigonometry.Hypotenuse = 16So shorter leg = 16*sin(30) = 16*1/2 = 8Longer leg = sqrt(162 - 82) = sqrt(192) = 8*sqrt(3) = 13.86 approx.Then Area = 1/2*legs = 1/2*8*13.86 = 55.43 square units.Using trigonometry.Hypotenuse = 16So shorter leg = 16*sin(30) = 16*1/2 = 8Longer leg = sqrt(162 - 82) = sqrt(192) = 8*sqrt(3) = 13.86 approx.Then Area = 1/2*legs = 1/2*8*13.86 = 55.43 square units.Using trigonometry.Hypotenuse = 16So shorter leg = 16*sin(30) = 16*1/2 = 8Longer leg = sqrt(162 - 82) = sqrt(192) = 8*sqrt(3) = 13.86 approx.Then Area = 1/2*legs = 1/2*8*13.86 = 55.43 square units.Using trigonometry.Hypotenuse = 16So shorter leg = 16*sin(30) = 16*1/2 = 8Longer leg = sqrt(162 - 82) = sqrt(192) = 8*sqrt(3) = 13.86 approx.Then Area = 1/2*legs = 1/2*8*13.86 = 55.43 square units.
What is the area of a circle with a diameter of 82 feet?
Area = 5,281.01 feet2
