On a piece of paper, use a protractor and a ruler to construct △abc with ab=8 cm , m∠a=70° , and m∠b=55° .

what is ac ?

4 cm
6 cm
8 cm
12 cm

This is about circle theorems. someone asap : (

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit