ValleAdriana08 ValleAdriana08

09-05-2020
Mathematics

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jimrgrant1 jimrgrant1

09-05-2020

Answer:

∠ HCF = 108°

Step-by-step explanation:

∠ ABG and ∠ HCF are alternate exterior angles and are congruent, thus

12x = 11x + 9 ( subtract 11x from both sides )

x = 9

Thus

∠ HCF = 11x + 9 = 11(9) + 9 = 99 + 9 = 108°

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