67.9k views
4 votes
Hint: Omars equation doesn't work!

Identify his error and correct it by showing the steps Omar should have taken and determine the correct value of x.

Hint: Omars equation doesn't work! Identify his error and correct it by showing the-example-1
User Yoven
by
8.4k points

1 Answer

5 votes
His Error: He set the expressions 10x-1 and 59 equal to each other. Those two angles are not congruent.

He should have added the two expressions to get 180
(10x-1) + (59) = 180
10x+(-1+59) = 180
10x+58 = 180
10x+58-58 = 180-58
10x = 122
10x/10 = 122/10
x = 12.2
User Kyle Ruddy
by
8.1k points