Basic Facts of Triangles

Find b.

Tags

CCSS.8.G.A.5

Find the measure of the missing angle in the triangle.

Tags

CCSS.8.G.A.5

Find the measure of the missing angle in the triangle.

Tags

CCSS.8.G.A.5

An obtuse triangle has (a)   ​

• one obtuse angle

• three obtuse angles

• one acute angle

Tags

CCSS.4.G.A.2

• the sum of a triangles 3 angles.

• the sum of a triangles 3 sides

• the area of a triangle

• the distance around a triangle

Tags

CCSS.8.G.A.5

A ​ (a)   triangle has ​ (b)   right angle,

• right

• one

• obtuse

• scalene

• two

• three

• acute

Tags

CCSS.4.G.A.2

A ​ (a)   triangle has ​ (b)   right angle.

• right

• one

• obtuse

• scalene

• two

• three

• acute

Tags

CCSS.4.G.A.2

Use the angles to classify the triangles

all angles less than 90° - acute triangle

1 angle is equal to 90° - right triangle

1 angle is greater than 90° - obtuse triangle

Tags

CCSS.4.G.A.2

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Tags

CCSS.4.G.A.2

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Tags

CCSS.4.G.A.2