Because ABCD is an isosceles trapezoid, the angles A and D are congruent.
BA and CD are congruent (given) and AD is congruent to itself (reflexive property).
Then triangles BAD and CDA form a pair of SAS triangles, so they are congruent.
BD and CA are corresponding parts in those triangles, so they are congruent (CPCTC).
Answer:
8
Step-by-step explanation:
2(2)+3y=13
4+3y=13
3y=9
y=3
The answer is B
Answer:
It's D = 20 units
here is the pic :)
Step-by-step explanation:
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