A few days ago
Help with proofs?
I’m insanely confused at the moment with some proofs on my homework. Here are pictures of the triangles: http://i22.tinypic.com/b6avk4.jpg [< for angle sign I guess and ~= for congruent]
The top one is for the first proof:
Given:
Top 1 Answers
A few days ago
Favorite Answer
1.
ADC + CDB = 180deg (ADB is a straight line)
Therefore CDB = 180deg – ADC
CEA + AEB = 180 deg (CEB is a straight line)
Therefore AEB = 180deg – CEA
As ADC = CEA (given), it follows that CDB = AEB.
2.
I think you mean ACB is a right angle, not ABC.
m + g = angle ACB = 90deg (given)
Therefore m = 90deg – g.
a + g = 90deg (given)
Therefore a = 90deg – g.
Hence a = m.
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