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3.2 Finding Missing Sides
1
March 27, 2014
3.2 Solving for Missing Sides
3.2 Finding Missing Sides
2
March 27, 2014
You can find a missing side of a right triangle so
long as you are given
- an a...
3.2 Finding Missing Sides
3
March 27, 2014
Example 1. Find BC to the nearest tenth of a
centimetre.
3.2 Finding Missing Sides
4
March 27, 2014
Example 2. Find e to the nearest centimetre.
3.2 Finding Missing Sides
5
March 27, 2014
You try! Find r to the nearest tenth of a
centimetre.
10.4 cm
67o
R
P
Q
3.2 Finding Missing Sides
6
March 27, 2014
Example 3. Find PQ to the nearest centimetre.
3.2 Finding Missing Sides
7
March 27, 2014
Example 4. Find PQ to the nearest centimetre.
3.2 Finding Missing Sides
8
March 27, 2014
Example 5. A wire supports a flagpole. The angle
between the wire and the level...
3.2 Finding Missing Sides
9
March 27, 2014
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3.2 Finding Missing Angles

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3.2 Finding Missing Angles

  1. 1. 3.2 Finding Missing Sides 1 March 27, 2014 3.2 Solving for Missing Sides
  2. 2. 3.2 Finding Missing Sides 2 March 27, 2014 You can find a missing side of a right triangle so long as you are given - an angle (that is not the right angle) - another side
  3. 3. 3.2 Finding Missing Sides 3 March 27, 2014 Example 1. Find BC to the nearest tenth of a centimetre.
  4. 4. 3.2 Finding Missing Sides 4 March 27, 2014 Example 2. Find e to the nearest centimetre.
  5. 5. 3.2 Finding Missing Sides 5 March 27, 2014 You try! Find r to the nearest tenth of a centimetre. 10.4 cm 67o R P Q
  6. 6. 3.2 Finding Missing Sides 6 March 27, 2014 Example 3. Find PQ to the nearest centimetre.
  7. 7. 3.2 Finding Missing Sides 7 March 27, 2014 Example 4. Find PQ to the nearest centimetre.
  8. 8. 3.2 Finding Missing Sides 8 March 27, 2014 Example 5. A wire supports a flagpole. The angle between the wire and the level ground is 73°. The wire is anchored to the ground 10 m from the base of the pole. How high up the pole does the wire reach? Give the answer to the nearest tenth of a metre.
  9. 9. 3.2 Finding Missing Sides 9 March 27, 2014

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