Question

Which of the following set of angles are found in a set squares ?

• A. ${30}^{\circ },{60}^{\circ },{90}^{\circ }$
• B. ${20}^{\circ },{70}^{\circ },{90}^{\circ }$
• C. ${75}^{\circ },{15}^{\circ },{90}^{\circ }$
• D. ${45}^{\circ },{45}^{\circ },{90}^{\circ }$

Answer 1

Answer: (A), (D)

${45}^{\circ },{45}^{\circ },{90}^{\circ }$

There are two kinds of set squares in the geometry box:
a) ${45}^{\circ },{45}^{\circ },{90}^{\circ }$
b) ${30}^{\circ },{60}^{\circ },{90}^{\circ }$