Angle Sum Theorem, thank you so much for the help, in advance!

Mathematics

1 answer:

daser333 [38]2 years ago

7 0

Answer:

x=20°, and y is 90° btw

Step-by-step explanation:

This is an iscoceles triangle, since the base angles are equal and the altitude bisects one of the angles. 180 - 110 = 70, meaning the angles are 70 , 70 and 2x. We know that 70 + 70 + 2x = 180 from the angle sum theorem, so 140 + 2x = 180, and 40 = 2x. x = 20°

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Angle Sum Theorem, thank you so much for the help, in advance! ​

Angle Sum Theorem, thank you so much for the help, in advance!