Question

in diagran of triangle RST measure of angle T=90 rs=65 and st=60, what is the measure of angle s to the nearest degree

Answer 1

"a straight angle is the same as half the circle and is 180° whereas a right angle is a quarter of a circle and is 90°. you measure the size of an angel with with a protractor . or could be shown by an arc on the figure to indicate which angles that are congruent ."

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