Aportion of a circle is removed resulting in figures a and b. the area of figure a equals one third the area of figure b. what is the area of the figure b? use 3.14 to approximate for π . enter your answer to the nearest tenth in the box.

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp