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DaniilM [7]
2 years ago
6

Geometry: complete this proof, ASAP!!!!!!!!!!!!!!!! It’s urgent

Mathematics
1 answer:
scoray [572]2 years ago
7 0

Answer:

1. AC is perpendicular to BD

1. Given

2. ACB is a right angle

2. Definition of perpendicular lines

3. Triangle ACB is a right triangle

3. Definition of right triangles

4. Angles 1 and 3 are complementary

4. Interior angles of a triangle add up to 180 degrees (Triangle Interior Angle Sum Theorem), and m<ACB = 90 degrees (definition of right angles), so m<1 + m<3 = 90 degrees (subtraction property of equality). By the definition of complementary angles, angles 1 and 3 are complementary.

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pshichka [43]

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8 0
3 years ago
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scZoUnD [109]

Answer:

4a

Step-by-step explanation:

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7 0
3 years ago
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Answer:

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