which one of the following is not true about a rectangle? A. all its angels are right angels B. its opposite angels are equal C.
2 answers:
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The quadrilaterals are two congruent isosceles trap ezoids and a kite.
Answer:
19
Step-by-step explanation:
45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.
Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.
