EQ: How do you find the areas of triangles?

Lesson 14-2Area of Triangles

pp. 551-554

EQ: How do you find the areas of triangles?

Take a look at this:

Do those two triangles make a shape you recognize?

EQ: How do you find the areas of triangles?

• A parallelogram can be formed by two triangles with equal sides and angle measurements.

• Since congruent triangles have the same area, the area of a triangle is one half the area of the parallelogram.

EQ: How do you find the areas of triangles?

EQ: How do you find the areas of triangles?

Example – Find the Area of a Triangle

EQ: How do you find the areas of triangles?

Example – Find the Area of a Triangle

EQ: How do you find the areas of triangles?

Your Turn:Find the area of each triangle. Round to

the nearest tenth if necessary.

EQ: How do you find the areas of triangles?

Use Area to Solve a Problem

EQ: How do you find the areas of triangles?

Class work – p. 553 # 3-6

Homework – p. 553 # 7-17 all