LEAP Review Day 3

Find the arc length.

Solve for the missing arc.

Find y using special right triangle relationships

Find the length of x

The two figures are similar. Find the missing side.

Find the length of the missing side.

Find Δx and Δy of the directed line segment AB.

Angles

You lean a 16 ft ladder on a wall. The ladder makes a 70 deg angle with the ground. How far from the wall is the ladder?

Trigonometry

Are these figures similar?

Name a central angle.

Circles

Solving Proportions

Find the area of the sector.

Are the figures similar? If yes, why?

What scale factor was used to dilate ABCD to LMNO?

Dilate D(2, -3); k=2

What is the measure of side AC? Use your trigonometry ratios and round to the nearest tenth.

Solve the following the problem using trigonometry to find the area.

Find x using special right triangle relationships.

Angles

Trigonometry

Find the area of this circle:

A central angle is

Find the value of x

Find the coordinates of P that partition directed line segment AB 1/4 along the way.

When partitioning a directed line segment into parts so their lengths have a ratio of 4:7, we:

Find the partition part of the directed line segment AB if the ratio is 1 to 2.

Find the angle of the triangle using trigonometry:

Find the partition part of the directed line segment AB if the ratio is 1 to 1.

Find the Circumference

Dilate point B by a scale factor of 1/2 centered at (-1, -2)

Triangle ABC is similar to triangle XYZ. FInd the missing measurement.

The two figures are similar. Find the area of the figure on the right.

Special Right Triangle Rules....

What phrase to remember the trigonometry functions?

Are the figures similar? If yes, why?

Trigonometry

Solve the word problem.

What type of triangle is trigonometry used for?