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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

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

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

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.

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

The area of a rectangle = length x width = 5 x 8 = 40 square 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.

7.07 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.

21 inches - both driver and passenger sides.

pi*diameter = 16 inches Divide both sides by pi to find the diameter: diameter = 5.092958179 or 5 inches to the nearest inch.

7.07 inches.

If that occurs, then both sides lose.If that occurs, then both sides lose.If that occurs, then both sides lose.If that occurs, then both sides lose.If that occurs, then both sides lose.If that occurs, then both sides lose.

Surface area of the sphere: 4*3.14*radius2 = 314 square inches Divide both sides by 4*3.14 and then square root both sides to find the radius: Radius = 5 inches Circumference = 2*3.14*5 = 31.4 inches

"This leaf is yellow-green and 4 inches long." It is both a qualitative and quantitative description because it is a description of the qualities of the leaf.

only if it is two sided more then 3 inches on both sides

7.07 inches.

Let x be the length measure of the shortest side, so the length measure of two other sides are x + 2, and x + 4 x + (x + 2) + (x + 4) = 27 3x + 6 = 27 subtract 6 to both sides 3x = 33 divide by 3 to both sides x = 11 Thus the shortest side is 11 inches,

Draw a picture. Since you are taking the margin off all four sides, you are removing it from both the height and length twice, so take 1.5 inches from both dimensions. The answer is 7 x 9.5 inches

It's green on the back! So it's called the greenback!

Let the width be x:- 2(x+52) = 182 2x+104 = 182 Subtract 104 from both sides and then divide both sides by 2 to find the width:- x = 39 inches Check: 2(39+52) = 182 inches

1 foot = 12 inches. If you square both sides of that equation, you get: 1 foot2 = 144 inches2. So, there are 144 square inches in a square foot.

that side of the triangle is only 7 inches long

No, because one side can be 9 inches and the other can be 3 inches but the angle can still be 90 degrees. Isosceles has to be the same on both sides.

The radius is 3 inches pi*32*height = 271.4 cubic inches Divide both sides by pi*9 to find the height: height = 9.598811457 or about 9.599 inches