Unit 9. Day 17..

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Presentation transcript:

Unit 9. Day 17.

Example A. Draw a triangle with side lengths 7 cm, 8 cm, 11, cm 8 𝑐𝑚 7 𝑐𝑚 11 𝑐𝑚

Draw a triangle with side lengths 7 cm, 8 cm, 11, cm Example A. Draw a triangle with side lengths 7 cm, 8 cm, 11, cm 88° 7 𝑐𝑚 8 𝑐𝑚 50° 42° 11 𝑐𝑚

Example B. Draw a triangle with side lengths 3 in, 4 in, 5 in 4 𝑖𝑛 3 𝑖𝑛 5 𝑖𝑛

Draw a triangle with side lengths 3 in, 4 in, 5 in Example B. Draw a triangle with side lengths 3 in, 4 in, 5 in 90° 4 𝑖𝑛 3 𝑖𝑛 53° 37° 5 𝑖𝑛

Rule #1: Three side lengths of a triangle determine a unique triangle 50° 100° 30° 100° 30° 50°

Example C. Draw a triangle with side lengths 10 cm, 12 cm, and included angle measuring 70°. 12 𝑐𝑚 70° 10 𝑐𝑚

Rule #2: Two side lengths and the included angle of a triangle determine a unique triangle 30° 30°