7-1 Ratios and Proportions. Problem 1: Writing a Ratio The bonsai bald cypress tree is a small version of a full-sized tree. A Florida bald cypress tree.

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Presentation transcript:

7-1 Ratios and Proportions

Problem 1: Writing a Ratio The bonsai bald cypress tree is a small version of a full-sized tree. A Florida bald cypress tree called the Senator stands 118 ft. tall. What is the ratio of the height of the bonsai to the height of the Senator

A bonsai tree is 18 in. wide and stands 2 ft. tall. What is the ratio of the width of the bonsai to its height

Problem 2: Dividing a Quantity Into a Given Ratio

The measures of two supplementary angles are in the ratio 1:4. What are the measures of the angles?

Problem 3: Using an Extended Ratio The lengths of the sides of a triangle are in the extended ratio 3:5:6. The perimeter of the triangle is 98 in. What is the length of the longest side?

The lengths of the sides of a triangle are in the extended ratio 4:7:9. The perimeter of the triangle is 60 cm. What is the length of the longest side?

Problem 4: Solving a Proportion

Problem 5: Writing Equivalent Proportions