Given: \overline{AB} \cong \overline{CB} AB

≅

CB

and \overline{AD} \cong \overline{CD}.

AD

≅

CD

.

Prove: \overline{DB}

DB

bisects \angle ABC∠ABC.

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7