Identifying Triangles by their Angles

I CAN: Identify and describe commonalities and differences between types of triangles based on angle measures (equiangular, right, acute, and obtuse triangles).

• I can

• I definitely can

1. In a garden, a gardener (Mrs. Ferritto) wants to create a triangular flowerbed with one angle measuring 120 degrees. What type of triangle should Mrs. Ferritto create for the flowerbed?

• Acute Triangular Flowerbed

• Right Triangular Flowerbed

• Obtuse Triangular Flowerbed

What kind of Triangle is this?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

1. An architect (Andrew) is designing a roof for a house and needs to create a triangular section with one angle measuring greater than 90 degrees. What type of triangle should Andrew use for the roof design?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• Square

1. A farmer (Coach Haggard) wants to build a triangular fence around a pasture with one angle measuring 90 degrees. What type of triangle should Coach Haggard use build the fence?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• Circle

What kind of Triangle is this?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

1. A kite enthusiast (Alyssa) is designing a new kite and wants to use a type of triangle that has three angles measuring less than 90 degrees. What type of triangle should Alyssa use for the kite design?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

What type of Triangle is this?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• A Quadrilateral

1. A chef (Jose) is creating a new dessert and wants to use a triangular plate with three angles measuring less than 90 degrees. What type of triangle should Jose use for the plate?

• Acute Triangle

• Right Triangle

• Obtuse Triangle

• A Dirty Triangle Plate