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PilotLPTM [1.2K]
2 years ago
9

Can you please help me understand how to solve this

Mathematics
2 answers:
nasty-shy [4]2 years ago
8 0

Answer:

Hope you understand this

Step-by-step explanation:

HAVE A GOOD DAY!

zvonat [6]2 years ago
7 0

Answer:

<h2>m<ACD=113</h2>

Option B is the right option.

solution,

<A=2x-9

<B=4x+2

<ACD=5x+13

The exterior angle of a triangle is sum of two opposite interior angles.

m<A+m<B=m<5x+13

or \: 2x - 9 + 4x + 2 = 5x +13 \\ or \: 2x + 4x - 9 + 2 = 5x + 13 \\ or \: 6x - 7 = 5x + 13 \\ or \: 6x - 5x = 13 + 7 \\ x = 20

Replacing value,

angle \: acd \\  = 5x + 13 \\  = 5 \times 20 + 13 \\  = 100 + 13 \\  = 113

Hope this helps....

Good luck on your assignment..

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