KA MATH PLANE FIGURES

Complete the sentence to describe the triangle shown. △RST is

• AN CUTE TRANGE

• AN ABTUSE TRANGE

• A RIGHT TRANGE

• AN EQUILATED TRANGLE

What is a name for the marked angle?

• ∠BAE

• ∠BAC

• ∠CAD

• ∠ADC

Which of these figures shows parallel lines?

Choose 1 answer

• 
• 
• 
• None of the above

Which of these rules did Lulu use to sort the shapes?

• All shapes in Group A have a pair of parallel sides, but no shapes in Group B have a pair of parallel sides.

• All shapes in Group A have a right angle, but no shapes in the Group B have a right angle.

• All shapes in Group A are equilateral, but no shapes in the Group B are equilateral.

Which angle measure is greater?

• 
• 

Which of the angles in the diagram are acute angles?

• ∠A

• ∠B

• ∠C

• ∠D