Right Triangles Within Other Shapes

What is the opposite side to <E?

• EF

• DF

• DE

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

Find a - the length of a leg of the triangle.

• 5

• √2

• 5√2

• 2

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2

• 49√2

• 7

• 7√7

What would you use to solve for x?

• Pythagorean Theorem

• Trig

• Inverse Trig

What would you use to solve for x?

• Pythagorean Theorem

• Trig

• Inverse Trig

What would you use to solve for x?

• Pythagorean Theorem

• Trig

• Inverse Trig

Which equation would be used to solve for x?

• x²+31²=67²

• tan(31)= x/67

• 67²+31²=x²

• cos^-1(31/67)

Which equation would be used to solve for x?

• 34²+19²=x²

• sin(34)= 19/x

• cos(34)= 19/x

• cos^-1(19/34)