ccruz0543 ccruz0543

25-10-2020
Mathematics

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what is the answer for this

what is the answer for this class=

Respuesta :

PokeyAnna PokeyAnna

25-10-2020

Answer:

4. x = 23 degrees

5. m<A = 33 degrees

m<B = 66 degrees

m<C = 82 degrees

Step-by-step explanation:

4.

(2x + 21) + 90 degrees + x = 180 degrees

(2x + 21) + x = 90 degrees

3x + 21 = 90

3x = 69

x = 23 degrees

5.

2x + x + (2x + 15) = 180 degrees

5x + 15 = 180

5x = 165

x = 33

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