Sample Test Item Preview

General Information
Related Benchmark: MAFS.912.G-C.2.5
Reporting Category: Geometry: Circles
Type: EE: Equation Editor
Difficulty: N/A
Question:

Circle Q has a radius,r, in units. The measure of begin mathsize 12px style angle A Q B end style is xº, as shown.

 

A. Create an expression using r and x that can be used to find the length of begin mathsize 12px style stack A B with overparenthesis on top end style, in units.

B. Then, create an expression that could be used to find the length of begin mathsize 12px style stack A B with overparenthesis on top end style, in units, if circle Q were dilated by a scale factor of 3.7

Possible Answer:

A. begin mathsize 12px style x over 180 pr end style

B.begin mathsize 12px style fraction numerator 3.7 pr x over denominator 180 end fraction end style