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McGraw Hill Integrated II, 2012 View details

6. Trapezoids and Kites

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Exercise 37 Page 528

If a quadrilateral is an isosceles trapezoid, the diagonals divide each other in the same proportions.

28 feet

Practice makes perfect

We want to find the measure of TR. First let's draw the given isosceles trapezoid.

We are given that ST= 28 feet. Recall that if a quadrilateral is an isosceles trapezoid, then the diagonals divide each other in the same proportions. Therefore, ST must be congruent with RT. This means TR=28 feet.