If δrst is an equilateral triangle, find x and y.

Step-by-step explanation:

The value of x can be arrived at a couple of ways:

x° = 120°

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Triangle RSU is isosceles, so angles SUR and SRU are congruent. Their sum is 60° (which you know two ways*), so each is 30°.

y° = 30°

* The two ways you know are based on (a) the sum of angles in a triangle is 180°, so y° +y° +120° = 180°  ⇒  y = (180 -120)/2 = 30; and (b) angle RST is 60° and is the exterior angle that is the sum of opposite interior angles y° and y°  ⇒  y = 60/2 = 30.

he sells x mount because thats eqivilqant to the maz and then divided into quarters

step-by-step explanation: