Two triangles are right triangles since they both have a right angle.
<span><span>hypotenuse and l</span><span>eg are given (congruent)
</span><span>by the hypotenuse leg theorem which states that two right triangles are congruent if their hypotenuses are congruent and a corresponding leg is congruent.</span></span>
Step-by-step explanation:
Since Angle DAE = Angle BCE, lines AD amd BC are parallel (by Z-angles).
This means that Angle ADE = Angle CBE (by Z-angles).
We have 2 congruent angles and 1 congruent side (AD = BC, given).
By ASA congruence, triangles AED and CEB are congruent.
Answer=46.43
39 84
___=____
x 100
cross multiply
84x=3900
divide both sides by 84
x=46.43
Answer:
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Step-by-step explanation: