Use fraction multiplication to show how you can find the measure of a right angle.
2 answers:
Explanation:
Draw a circle.
Find it's center.
From the center divide the circle into four equal parts, by drawing two diameters , such that angle between two diameter is a right angle.
As, circle is divided into four equal parts, and each part is equivalent to .
So, measure of each part in terms of angles in degrees can be found as
the reason is measure of complete circle is 360 degree.
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Step-by-step explanation:
x^3 is a perfect cube, 8 is a perfect cube, so we use difference of cubes.
Cube root of x^3 is x.
Cube root of 8 is 2
So
a=x
b= 2.
Set these equations equal to zero
If we do the discriminant, we get a negative answer so we would have two imaginary solutions,
Thus the only real root is 2.
If you want imaginary solutions, apply the quadratic formula.
and