Posted by **emergency!!! 33** on Monday, February 11, 2013 at 1:26am.

ABCD is a rectangle. On line segment AB, E is a point such that ∠ADE=17∘ and ∠BCE=29∘. What is the measure of ∠DEC (in degrees)?

- geometry -
**Steve**, Monday, February 11, 2013 at 4:55am
∠ADE = 90-17 = 73°

∠ECD = ∠CEB = 29°

∠DEC = 180 - (73+29) = 78°

- geometry -
**Anonymous**, Wednesday, October 7, 2015 at 11:18am
# 5 from HW

Given: x is the midpoint AY, and Y is the midpoint of XB.

Prove: AX YB

Satements

A

XY

Reasons

B

1.

2.

3.

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