The Clock shown below has a diameter of 12 inches. Which expression could be used to find the circumference of the clock in inches?

Can i get some on 18,20,& 22? or one of them

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Find the area of the triangle shown 3 by 6