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Dominik [7]
3 years ago
13

PLZZ HELPP ASAP ON THIS

Mathematics
1 answer:
umka21 [38]3 years ago
5 0

Answer:

a. x = 4    b. x = 7

Step-by-step explanation:

a. They are both congruent right angles because of the alternate exterior angles theorem

90-4 = 86

86/21 = 4

b. The angles are congruent because of the corresponding angles postulate

75+2 = 77

77/11 = 7

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