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Orlov [11]
3 years ago
11

Please help asap!!!!!!!

Mathematics
1 answer:
Ivenika [448]3 years ago
3 0

Answer:

m∠BDC = 135

m∠ACD = 45

Step-by-step explanation:

m∠BDC and m∠ACD are co - interior angles.

Sum of co - interior angles is 180,

m∠BDC + m∠ACD = 180

11x + 25 + 4x + 5 = 180

11x + 4x + 25 + 5 = 180

15x + 30 = 180

15x = 180 - 30

15x = 150

x = 150 / 15

x = 10

m∠BDC = 11x + 25

= 11 ( 10 ) + 25

= 110 + 25

m∠BDC = 135

m∠ACD = 4x + 5

= 4 ( 10 ) + 5

= 40 + 5

m∠ACD = 40

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