YoIHateMath YoIHateMath

10-10-2020
Mathematics

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Given the following diagram, enter the required information.

Given the following diagram enter the required information class=

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mhanifa mhanifa

11-10-2020

Answer:

39° 44' 52''

Step-by-step explanation:

Given

m∠DXB = 70° 15' 12''
m∠DXC = 30° 30' 20''

To find

m∠CXB

Solution

According to Angle Addition postulate:

m∠DXB = m∠DXC + m∠CXB

Therefore

m∠CXB = m∠DXB - m∠DXC
m∠CXB = 70° 15' 12''- 30° 30' 20'' = 39° 44' 52''

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