A ramp has been built to make a stage wheelchair accessible. The building inspector needs to find the angle of the ramp to see if it meets regulations.

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Presentation transcript:

A ramp has been built to make a stage wheelchair accessible. The building inspector needs to find the angle of the ramp to see if it meets regulations. He has no instrument for measuring angles. With a tape measure, he sees the stage is 4 ft high and the distance along the ramp is 28 ft.

Applications Involving Right Triangles Section 5.1

What will you need? Pythagorean Theorem SOH CAH TOA Keep your calculator in DEGREES when solving problems involving triangles! Pythagorean Theorem SOH CAH TOA Keep your calculator in DEGREES when solving problems involving triangles!

Given 2 angles (1 that’s a right angle) and a side: Find the 3 rd angle Use SOH CAH TOA to find the 2 nd side Use the Pythagorean Theorem to find the 3 rd side Find the 3 rd angle Use SOH CAH TOA to find the 2 nd side Use the Pythagorean Theorem to find the 3 rd side

Given 2 sides and a right angle: Find the 3 rd side using the Pythagorean Theorem Use SOH CAH TOA to find the 2 nd angle Find the 3 rd angle Find the 3 rd side using the Pythagorean Theorem Use SOH CAH TOA to find the 2 nd angle Find the 3 rd angle

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A ramp has been built to make a stage wheelchair accessible. The building inspector needs to find the angle of the ramp to see if it meets regulations. He has no instrument for measuring angles. With a tape measure, he sees the stage is 4 ft high and the distance along the ramp is 28 ft.

Pages (15, 18, 21, 22, 27, 28, 31, 32)