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10-2

10-2

10-2. Area of Triangles and Trapezoids. Course 1. Warm Up. Problem of the Day. Lesson Presentation. Warm Up Evaluate.

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321 views • 17 slides
Learn to find the area of triangles and trapezoids .

Learn to find the area of triangles and trapezoids .

Learn to find the area of triangles and trapezoids. You can divide any parallelogram into two congruent triangles. So the area of each triangle is half the area of the parallelogram. Additional Example 1A: Finding the Area of a Triangle. Find the area of the triangle. 1 2. bh. A =.

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134 views • 13 slides
EXAMPLE 4

EXAMPLE 4

EXAMPLE 4. Solve a multi-step problem. COLLECTOR CAR. The owner of a 1953 Hudson Hornet convertible sold the car at an auction. The owner bought it in 1984 when its value was $11,000. The value of the car increased at a rate of 6.9% per year. a.

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78 views • 7 slides
EXAMPLE 5

EXAMPLE 5

In the diagram, ? TPR ~ ? XPZ . Find the length of the altitude PS. TR. 12. 3. XZ. 16. 4. 6 + 6. =. =. =. 8 + 8. EXAMPLE 5. Use a scale factor. SOLUTION. First, find the scale factor of ? TPR to ? XPZ. =. 3. PS. 3. 4. 4. PY. PS. =. 20. =. PS. 15.

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112 views • 5 slides
EXAMPLE 5

EXAMPLE 5

In the diagram, ? TPR ~ ? XPZ . Find the length of the altitude PS. TR. 12. 3. XZ. 16. 4. 6 + 6. =. =. =. 8 + 8. EXAMPLE 5. Use a scale factor. SOLUTION. First, find the scale factor of ? TPR to ? XPZ. =. 3. PS. 3. 4. 4. PY. PS. =. 20. =. PS. 15.

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105 views • 5 slides
EXAMPLE 5

EXAMPLE 5

In the diagram, ? TPR ~ ? XPZ . Find the length of the altitude PS. TR. 12. 3. XZ. 16. 4. 6 + 6. =. =. =. 8 + 8. EXAMPLE 5. Use a scale factor. SOLUTION. First, find the scale factor of ? TPR to ? XPZ. =. 3. PS. 3. 4. 4. PY. PS. =. 20. =. PS. 15.

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61 views • 5 slides
EXAMPLE 5

EXAMPLE 5

In the diagram, ? TPR ~ ? XPZ . Find the length of the altitude PS. TR. 12. 3. XZ. 16. 4. 6 + 6. =. =. =. 8 + 8. EXAMPLE 5. Use a scale factor. SOLUTION. First, find the scale factor of ? TPR to ? XPZ. =. 3. PS. 3. 4. PY. 4. PS. =. 20. ANSWER. =. PS. 15.

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248 views • 3 slides
EXAMPLE 5

EXAMPLE 5

In the diagram, ? TPR ~ ? XPZ . Find the length of the altitude PS. TR. 12. 3. XZ. 16. 4. 6 + 6. =. =. =. 8 + 8. EXAMPLE 5. Use a scale factor. SOLUTION. First, find the scale factor of ? TPR to ? XPZ. =. 3. PS. 3. 4. PY. 4. PS. =. 20. ANSWER. =. PS. 15.

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93 views • 3 slides

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