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olya-2409 [2.1K]
3 years ago
8

Secants BE and CF intersect at point D inside A. What is the measure of CDE?

Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0
MCE = 360 - (150 + 70 + 50)
mCE = 360 - 270
mCE = 90

<CDE = 1/2(mBE + mCE)
<CDE = 1/2(150 + 90)
<CDE = 1/2(240)
<CDE = 120

answer
<CDE = 120°
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