xv4 xv4
  • 20-10-2020
  • Mathematics
contestada

If m<7 is 2x + 30 and m<28 is 3x - 10, find the
following:

If mlt7 is 2x 30 and mlt28 is 3x 10 find the following class=

Respuesta :

schaudhry915 schaudhry915
  • 20-10-2020

Answer:

x = 32

m∠7 = 94

m∠8 = 86

m∠3 = 94

Step-by-step explanation:

(2x + 30) + (3x - 10) = 180

5x + 20 = 180

5x = 160

x = 32

m∠7 = 2(32) + 30 = 94

m∠8 = 3(32) - 10 = 86

or

m∠8 = 180 - 94 = 86

m∠3 ≈ m∠7 (corresponding angles)

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