6. Find the measure of angle adc
plz reply very important give step by step explanation
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Answer:
3x+2-24+2+10+4x+2x+x= 360
x-1=36
x=37
now,
x+10
37+10
=47
Step-by-step explanation:
hope it will help you
Answered by
1
Answer:
Step by step explanation–
- The sum of all the exterior angles of a quadrilateral is 360°.
- Therefore, (3x+2)° + (4x-24)° + (2x+2) + (x+10) = 360° ---------[Exterior angle property]
- 3x+2+4x-24+2x+2+x+10=360°
- 3x+4x+2x+x=360-2+24-2-10
- 10x=370
- x=370/10
- x=37° ---------(i)
8. Now, ∠(x+10)=37+10 ---------{from(i)}
=47° ---------(ii)
9. ∠(x+10)+∠ADC = 180° -------{Linear Pair Axiom}
10. Substituting eq. (ii) in above eq., we get
47+∠ADC=180°
11. Therefore, ∠ADC=180-47
=133°
The measure of angle ADC is 133°.
Hope it helps......
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