Recall the double angle identity:

With
measuring between 0º and 90º, we know
. So from the Pythagorean identity, we get

Then

Answer:
33/10
Step-by-step explanation:
I used a calculator sorry if I am wrong
Answer and explanation:
A center chord in a circle is the diameter of that circle. Therefore a center chord of a circle is different from other chords that touch two points on the circle but not in the center of the circle. A diameter of a circle is the chord that runs the length of the center of the circle touching two points at the edge of the circle. A diameter is twice the radius of the circle. So if the diameter of the circle is 12cm then the radius of the circle is 6cm
Answer:
Isosceles Right
Step-by-step explanation:
Isosceles triangles have 2 sides of equal length and 2 angles of equal measure.
An isosceles right triangle also includes a right angle of 90°
Answer:
you don't because its not relivant
Step-by-step explanation: