Similar Figures and Area Review

Front

What is the formula for the area of a trapezoid?

Back

A = ½h(b₁ + b₂)

Front

How do you find the height of a tree using proportions?

Back

Set up a proportion based on similar triangles.

Front

If two triangles are similar, what can you say about their corresponding side lengths?

Back

The ratios of their corresponding side lengths are equal.

Front

What is the formula for the area of a triangle?

Back

A = ½bh

Front

If the area of a triangle is 15.75 cm² and the base is 6 cm, what is the height?

Back

Height = 5.25 cm

Front

What is the relationship between the areas of similar figures?

Back

The ratio of their areas is the square of the ratio of their corresponding side lengths.

Front

If a triangle has sides of lengths 3 cm, 4 cm, and 5 cm, is it a right triangle?

Back

Yes, it follows the Pythagorean theorem.

Front

What is the area of a rectangle with a length of 10 cm and a width of 5 cm?

Back

Area = 50 cm²

Front

How do you find the missing side length in similar figures?

Back

Use the ratio of the corresponding sides.

Front

What is the area of a triangle with a base of 10 cm and a height of 4 cm?

Back

Area = 20 cm²