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agasfer [191]
3 years ago
8

What is the measure of ∠ADC?

Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0

Answer:

131 degrees

Step-by-step explanation:

The reason for, is since <ADC is equal to < ADB + <BDC and that we already know the values of <ADB and <BDC, we can simply do

89 + 42 = 131.

So, <ADC is 131 degrees.

:)

torisob [31]3 years ago
5 0

Answer:

<ADC = 131

Step-by-step explanation:

< ADC = <ADB + < BDC

The large angle is the sum of the two smaller angles.

<ADC = 89+42

          =131

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