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:

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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