Plz help me if you can

m<GKH + m<HKI = 180; m<HKI + m<IKJ = 180 - Angles forming a linear pair sum to 180

m<GKH + m<HKI = m<HKI + m<IKJ - Subsitution

m<GKH = m<IKJ - Algebra

<GKH ≅ <IKJ - Definition of congruence

Step-by-step explanation:

Angles that form a linear pair are supplementary because together they make a straight line. So, they must sum to 180.

In statement 2, m<HKI + m<IKJ replaces 180 degrees. This is allowed because m<HKI + m<IKJ is equivalent to 180 degrees, so it can be substituted.

In statement 3, m<HKI is subtracted from both sides. This is allowed through the property of equality, which is a part of algebra.

The definition of congruency is that two shapes that are equal are congruent. So if m<GKH = m<IKJ, then they must be congruent as well.

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0