What is m cad?
a. 120
b. 110
c. 100
d. 80

The value of m<CAD will be 100°.

It should be noted that the total angle in a triangle is 180°, therefore, the value of the third angle will be:

= 180° - (80° + 20°)

= 180° - 100°

= 80°

Now, to solve for m<CAD, we have to use angle on straight line which will be:

= 180° - 80°

= 100°

In conclusion, the correct option is 100°.

Read related link on:

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step-by-step explanation:

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exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.