# Write a two-column proof.

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## Question:

Write a two-column proof.GIVEN: angle 12 and angle 11 are complementary.
measure of angle 10 + measure of angle 11 = 90 degrees.
PROVE: angle 12 is congruent to angle 10.

Since we have given that

Angle 12 and angle 11 are complementary.

Mathematically, it is expressed as ————(1)

measure of angle 10 + measure of angle 11 = 90 degrees.

Mathematically, it is expressed as —————-(2)

From eq(1), and eq(2), we get that Hence, angle 12 is congruent to angle 10.

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