Solving Side Lengths Using Trig

Find angle P.

Mathematical Equivalence

ON

Find h in the isosceles triangle. Reminder: An isosceles triangle is a triangle with (at least) two congruent sides.

• 18.9 ft

• 19.0 ft

• 19.1 ft

• 37.8 ft

• 37.9 ft

Choose the correct ratio you could use to solve for "x".

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Find the length of side AB.

• 20 m

• 5 m

• 11.54 m

• 8.66 m

Find the value of "x" rounded to the nearest hundredth.

• 6.09

• 18.77

• 5.52

• 7.68

Which trig function would you use to solve this problem for "x"?

• Sine

• Cosine

• Tangent

• Pythagorean Theorem

_{^{Find the missing side}}

• 9

• 41

• 6.4

• 3

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

• 25 feet

• 26 feet

• 27 feet

• 28 feet

Choose the correct ratio.

• cos(57)=x/20

• sin(57)=x/20

• cos(57)=20/x

• sin(57)=20/x

What equation can be used to solve for x?

• Sin(40°)= x/40 

• Sin(40º)=x/19

• Cos(40º)=x/19

• Tan(40°)=19/x