8-1 Right Triangles and the Pythagorean Theorem

What is UT?

Mathematical Equivalence

ON

Can the three line segments with the given lengths form a right triangle?

Groups:

(a) Yes

,

(b) No

• 25, 35, 43

• 18, 24, 42

• 20, 21, 29

• 12, 35, 37

• 16, 30, 34

What is XY?

The hypotenuse of a 30°-60°-90° triangle measures 10 inches. Which could be the length of a leg of the triangle? Select all that apply.

What is the area of ACDE to the nearest whole number?

• 123 cm²

• 87 cm²

• 105 cm²

• 210 cm²

Match each set of triangle side lengths with the best description of the triangle.

• 30°-60°-90° triangle

• 45°-45°-90° triangle

• not a right triangle

• right triangle

What is GJ?

Order the lengths of the diagonals from least to greatest.

• 
• 
• 
• 

What is RS?

Mathematical Equivalence

ON

What is XY?

Mathematical Equivalence

ON