Bell Ringer – I will not answer questions

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Evaluate each expression if a = 11, b = -1, and c = -8

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Bell Ringer If m∠1 = 125°, find the measure of each angle. You do not have to explain your reasoning for this Bell Ringer only

Write an equation in slope-intercept form for each line.

Bell Ringer I will not answer questions about the Bell Ringer

If f(x) = 4x – 7, find each function value.

Find the measures of the angles in each triangle. #1. #2. #3.

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Presentation transcript:

Bell Ringer – I will not answer questions Are the following relationships proportional or nonproportional. Show your work. Write yes or no. 1. 2. 3. 4. Bell Ringer – I will not answer questions

Announcements Test over Chapter 6 > WEDNESDAY, March 5 3rd 9 Weeks Test > TUESDAY, March 10 Let’s take a look at the calendar for March

Section 6.9 Indirect Measurement R drive > Key > March 2_6 > 3_2__6.9 Indirect Measurement File > Save As > P drive > Math > March 2_6 > 3_2__6.9 Indirect Measurement

Vocabulary Indirect Measurement – Allows you to use the properties of similar triangles to find measurements that are difficult to measure directly Shadow Reckoning – Finding missing measurements using two objects and their shadows

Example 1 Use Shadow Reckoning

Example 2 Use Shadow Reckoning

Example 3 – Your Turn Use Shadow Reckoning Suppose the San Jacinto Monument in La Porte, Texas, casts a shadow of 285 feet. At the same time, a nearby tourist, who is 5 feet tall, casts a 2.5-foot shadow. How tall is the San Jacinto Monument?

Example 4 Find Missing Measures

Example 5 Find Missing Measures

Example 6 – Your Turn Find Missing Measures

Class Work Section 6.9 # 1 - 5

Class Work Section 6.9 #1 - 5

Class Work Section 6.9 #1 - 5

Homework Complete the Study Guide!