Question

Use the image to answer the question.

A triangle is bisected by a vertical line that connects an apex point, labeled upper A, to a point in the middle of the triangle's base, labeled upper D. The triangle's bottom left vertex is labeled upper C and its bottom right vertex is labeled upper B.

Ines examined the triangle and noticed that segment AD
bisected ∠CAB
. She measured ∠BAD
to be 21 degrees. What is the measure of ∠CAB
in degrees?

(1 point)
The m∠CAB
is
degrees.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The measure of ∠CAB in degrees is 2 * 21, which is 42 degrees.

Answer 2

[AI-generated answer — Step-by-Step Bot]

Since segment AD bisects ∠CAB, we can conclude that m∠BAD = m∠DAC. Given that ∠BAD = 21 degrees, we have m∠DAC = 21 degrees. Since ∠DAC and ∠CAB are corresponding angles, they have the same measure. Therefore, the measure of ∠CAB is also 21 degrees.