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What is the height of a trapezoid with parallel sides of 8 and 13 inches and an area of 94.5 square inches?
1/2*(sum of parallel sides)*height = 94.5 1/2*21*height = 94.5 sq inches Multiply both sides by 2 and then divide both sides by 21: height = 9 inches Check: 1/2*21*9 = 94.5 sq inches
What is the diameter of a circle that has an area of 254 square inches?
pi*radius2 = 254 Divide both sides by pi and then square root both sides to find the radius: radius = 8.991702347 or about 9 inches diameter = 2*9 = 18 inches
How many gallons in a cylinder 17 inches diameter by 17 inches lenghth?
The answer will depend on US or UK gallons there are because both have different measures of capacity. But the volume of the cylinder: pi*8.52*17 = 3858.661 cubic inches to 3 decimal place.
What is the diamter of a sphere if the volume is 28 cubic inches?
First we have to find the radius because the diameter is twice the radius: 4/3*pi*radius3 = 28 cubic inches Multiply both sides by 3: 4*pi*radius3 = 84 Divide both sides by 4*pi: radius3 = 6.68450761 Cube root both sides: radius = 1.883749459 diameter = 3.767498919 inches
What is the area of 11 inches and 7 inches of a square?
A square must have sides of the same length. It is not clear how 11 inches AND 7 inches can both refer to one square.
What is the height of a triangle if area is 104 inches squared and the base is 13 inches?
Area = 1/2*13*height = 104 Multiply both sides by 2: 13*height = 208 Divide both sides by 13: height = 16 inches Check: 1/2*13*16 = 104 square inches
What is the area of a rectangle if the width is 8in on both sides and the length is 5in on both sides?
The area of a rectangle = length x width = 5 x 8 = 40 square inches.
What is the circumference of a circle if it's area 120 inches?
First we have to find the radius: pi*radius2 = 120 sq ins Divide both sides by pi and then square root both sides: radius = 6.180387232 inches circumference = 2*pi*radius circumference = 38.83251825 or 39 inches to the nearest inch.
How many gallons of warter is in 35 feet by 42 feet by 3 inches?
The tricky thing about this question is the different units of measure. You have gallons, feet, and inches, and they can't work together until you make some conversions. The easiest conversion would be to make all your linear dimensions into feet (since inches get large quickly, and nobody likes cubic inches). Since there are 12 inches in a foot, we convert the short side by doing 3 inches / 12 inches = .25 feet. Now we can find the volume of the rectangular prism: 35 ft * 42 ft * .25 ft = 367.5 cubic feet. Great. But you want to know how much water this hold in gallons, not cubic feet. However, the two are both units of volume, so there must be a conversion between the two. A quick Google search reveals that 1 cubic foot = 7.4805 US gallons. So now all you need to do is multiply both sides of that equation by your total cubic feet, which is 367.5.
In a right angle triangle the two sides that form the right angle are both 5 inches calculate the length of the other side?
7.07 inches
How many cylinders are there for each platter in a Hard drive?
No. of Cylinders = No. of Tracks on each platter multiply by 2 for both sides since each platter stores information on both sides.
What is the area of an equilateral triangle if it has a perimeter of 21 inches?
There is not enough information here to be able to answer this. Imagine a triangle with 2 sides, each of 10.49 inches, It would have almost no area compared with one with 3 sides of 7 inches each. Both triangles could have perimeters of 21 inches.
