Find the value of j. Show all steps to the solution and give reason to your calculations

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Tayyab asked Oct 3, 2023

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Find the value of j. Show all steps to the solution and give reason to your calculations

Mathematics
high-school

Tayyab asked Oct 3, 2023

by Tayyab

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1 Answer

21 votes

Answer:

j=50°

Explanation:

10x-20=5x-3+4x-2( ext angle of ∆)

10x-5x-4x=-3-2+20

x= 15

substitute the value if x

10(15)-20+ j=180 ( sum of angles in straight line)

130+j=180

j=180-130

j=50°

LoPiTaL answered Oct 9, 2023

by LoPiTaL

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