You can add this document to your saved list Sign in Available only to authorized users. Repeat Step 2 using expressions involving j, sin C, and sin A. Look at this diagram to see how this works. Measure the angles and the sides of your triangle. Have each group member draw a different obtuse triangle. Combine the two expressions by eliminating h.

Add this document to collection s. Triangle Sum Theorem You can add this document to your saved list Sign in Available only to authorized users. Suggest us how to improve StudyLib For complaints, use another form. Combine the two expressions by eliminating h. Did everyone get the same proportion in Step 4?

Does your work from Steps 1—5 hold true for obtuse triangles as well? Add this document to collection s. In order to find the distance along the northern branch, you need the measure of the third angle in the triangle. Sine Law in Acute Triangles. Add this document to saved. Use your knowledge of right triangle trigonometry to write an expression involving sin B and h, and an expression with sin C and h.

What is the distance between Towers A and C?

A lake between Towers A and C lessoj it difficult to measure the distance between them directly. Measure the angles and the sides of your triangle.

## Lesson 12.2

Triangle Sum Theorem Look at this diagram to see how this works. Combine the two expressions by eliminating h.

Upload document Create flashcards. Add to collection s Add to saved. Your e-mail Input it if you want to receive answer. The other possibility for A is the obtuse supplement of However, in this case you may find more than one possible solution. Label the height h.

Repeat Step 2 using expressions involving j, sin C, and sin A. Geometry Chapter 7 Similarity Notes. Suggest us how to improve StudyLib For complaints, use another form.

# Lesson problem solving with right triangles worksheet answers

What proportion do you get when you eliminate j? Therefore, you can find the sine of obtuse angles as well as the sines of acute angles and right angles. Where along the northern branch should they dig for the treasure? Did everyone get the same proportion in Step 4? Troangles the altitude from A to BC.

You can add this document to your study collection s Sign in Available only to authorized users. Substitute the measurements and evaluate to verify that the proportion from Step 4 holds true for your obtuse triangles as traingles. You can add this document to your saved list Sign in Available only to authorized users.

For complaints, use another form. This is because two different angles—one acute and one obtuse— may share the same value of sine.

## Lesson 12.2 problem solving with right triangles worksheet answers

Have each group member draw a different obtuse triangle. Constructing and Analyzing Triangles. If A is acute, it measures approximately How far apart are the planes at this time? Label the length of the side opposite A as a, the length of prpblem side opposite B as b, and the length of the side opposite C as c.