In the figure below, line AD intersects BE at C. if x =100. What is the value of y

Expert Solution

from the figure given, we first determine the value of angle ACB.

since angle x is given as 100⁰. sabtract 180-(100+20) and get the angle as 60⁰. Since angles ACB and ECD are vertically opposite, then they are equal.

to find the value of angle y, we add 60+40 and subtract from 180 since the sum of all angles in a triangle is 1800.

this gives us the value of angle y as 80⁰

the value of angle y is 80⁰

joseph irungu answered 2 years ago

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