Geometry Lines and Angles

According to the angle measurements, triangle 1 is ​ (a)   and triangle 2 is ​ (b)  

• acute

• right

• obtuse

According to the angle measurements, this triangle is ___.

• obtuse

• right

• acute

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4.6.C

Lines m and k are both ____ and ____. Choose both correct answers.

• perpendicular

• parallel

• intersecting

• curved

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4.6.A

Which two figures appear to have at least 2 lines of symmetry?

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4.6.B

Which statement below is true about the figures in the picture?

• All shapes are parallelograms.

• All shapes have at least one right angle.

• All shapes are regular polygons.

Check mark ALL answers that show or describe an acute angle

• <180 degrees

• 
• <90 degrees

• 

• 84º

• 26º

• 36º

• 74º

• 100º

• 24º

• 34º

• 36º

an angle that measures more than 90 degrees but less than 180 degrees

• acute angle

• obtuse angle

• right angle

• straight angle

lines that intersect to form right angles

• perpendicular lines

• parallel lines

• intersecting lines

• acute lines