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What is the perimeter of a square if it has an area of 49 square centimeters?
The perimeter would be 28 centimeters. This can be seen because all 4 sides are equal in a square, and the area is equal to two adjacent sides multiplied, so all you have to do is find the square root of 49 which is 7, so this is the length of each side, and the total preimeter is 4 times this which is 28.
Can a triangle with side lengths of 20 21 28 be a right triangle?
We could be able to tell this through the use of the Pythagorean theorem. Unfortunately, we may only be able to attempt this, If we assume that your hypotenuse is the last measurement. A and B can be either leg of the triangle, however, "C" must always be the hypotenuse.So we'll test out using each value as the hypotenuse.Pythagorean theorem: A2 + B2 = C2So using this we'll begin by a = 20, b = 21, c = 28:202 + 212 = 282400 + 441 = 784841 = 784841 does not equal 784Therefore, using 28 as the hypotenuse yields a triangle that is not a right triangle.Secondly, we'll use a = 20, b = 28, c = 21202 + 282 = 212400 + 784 = 4411184 = 4411184 does not equal 441Therefore, using 21 as the hypotenuse yields a triangle that is not a right triangle.Lastly, we'll use a = 28, b = 21, c = 20282 + 212 = 202784 + 441 = 4001225 = 4001225 does not equal 400Therefore, the measurements 20, 21, and 28, no matter which is used as the hypotenuse can yield a right triangle.
What is the area of a circle with radius 28 centimeters?
Using 3.14 as Pi the area of circle is: 2461.76
The legs of a right triangle are 21 and 28 inches long respectively. What is the area of the triangle?
Area = 0.5*21*28 = 294 square inches
What is the slope of line 14y-2x equals 28?
14y - 2x = 28 14y = 2x + 28 y = x/7 + 2 Therefore, the slope is 1/7.
How much IS 28 centimeters equals?
28 centimeters is equal to about 11 inches.
28 meters equals how many centimeters?
28 meters equals 2800 centimeters.
28 centimeters is equal to milliliters?
28 centimeters is 280 millimeters.
28 decimeters equals how many centimeters?
1 decimetre = 10 centimetres so 28 decimetres = 28*10 = 280 centimetres. Simple!
How many centimeters equals 28 inches?
71.12
What times 21 equals 84?
28*21 equals 84
What is 28 times 21?
28 times 21 equals 588.
28 centimeters equals how many meters?
0.28 mtr
What is 7x4 equal?
7x4 equals 28.
28 centimeters is equal to how many decimeters?
2.8
What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?
3x + 7 = -4x + 28 implies 7x + 7 = 28
What is 21 over 28 equal to?
21/28 = 3/4 or 0.75
