Find the area of the composite figure below.
4,3,3,2,2

What two criteria are needed for triangles to be similar

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¯¯¯¯¯¯¯¯)?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9