Angle angle similarity. 47° 58° 75° 58° 75° Are the following triangles similar? E D F B A C

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angle angle similarity

Transcript of Angle angle similarity. 47° 58° 75° 58° 75° Are the following triangles similar? E D F B A C

Page 1: Angle angle similarity. 47° 58° 75° 58° 75° Are the following triangles similar? E D F B A C

angle angle

similarity

Page 2: Angle angle similarity. 47° 58° 75° 58° 75° Are the following triangles similar? E D F B A C

47°

47°

58°

75°

58° 75°

Are the following triangles similar?

ED

F

B

A

C

<C and <F have the same measure, so they are congruent.180 – 58 - 47° = 75° <E = 75°

So how do I know the following triangles similar?Since 2 angles of ΔABC are congruent to 2 angles of ΔDEF, the 2 triangles are similar.

Page 3: Angle angle similarity. 47° 58° 75° 58° 75° Are the following triangles similar? E D F B A C

How tall is the flagpole?

3.5 ft

8 ft

h ft

35 ft

3.5 h8 35

=

3.535 = 8h122.5 = 8h h = 15.3125 ft