Exploring Interior Angles of Triangles

What is the sum of the interior angles in any triangle?

• 90 degrees

• 360 degrees

• 180 degrees

• 270 degrees

Tags

CCSS.8.G.A.5

From previous work, what do we know about the interior angles of a triangle?

• They sum up to 90 degrees

• They sum up to 360 degrees

• They sum up to 270 degrees

• They sum up to 180 degrees

Tags

CCSS.8.G.A.5

What colors were used to represent the angles in the triangle demonstration?

• Red, Green, Yellow

• Green, Blue, Yellow

• Red, Yellow, Blue

• Red, Green, Blue

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What happens when the corners of the triangle are torn off?

• They form a circle

• They form a rectangle

• They form a straight line

• They form a square

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Which angle was torn off first in the demonstration?

• Red

• Green

• Blue

• Yellow

Tags

CCSS.4.MD.C.6

What should have been used to arrange the angles properly?

• Stapler

• Pins

• Tape

• Glue

Tags

CCSS.4.MD.C.6

What do the green, red, and blue angles together form when arranged?

• An acute angle

• A right angle

• A straight angle

• An obtuse angle

Tags

CCSS.4.MD.C.7

Where did the angles that form a straight line come from?

• The sides of the triangle

• The corners of the triangle

• The center of the triangle

• The base of the triangle