Similar Triangles

Front

Are the triangles similar?

Back

Yes

Front

Find the missing angle: 67° + X° + 53° = 180°

Back

X = 60°

Front

The 2 shapes are similar. Solve for X: If the smaller triangle has a base of 2 ft and the larger triangle has a base of X ft, and their heights are in the ratio 1:2, what is X?

Back

X = 4 ft

Front

What does it mean for two shapes to be similar?

Back

Same shape, but different size.

Front

A triangle's angles add up to...

Back

180 Degrees

Front

If two triangles are similar, what can we say about their corresponding angles?

Back

Their corresponding angles are equal.

Front

If triangle ABC is similar to triangle DEF, and the length of side AB is 4 cm and side DE is 8 cm, what is the ratio of their sides?

Back

1:2

Front

What is the scale factor if triangle GHI is similar to triangle JKL and the lengths of sides GJ and JK are 5 cm and 10 cm respectively?

Back

Scale factor = 1:2

Front

If two triangles have sides in the ratio 3:5, what can we conclude about their areas?

Back

The ratio of their areas is 9:25.

Front

What is the relationship between the sides of similar triangles?

Back

The ratios of their corresponding sides are equal.