Ratios & Proportions in Geometry

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Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

What is the simplest form of a ratio?

• A fraction

• A decimal

• A percentage

• The lowest equivalent form

What is the result of simplifying the ratio 10 to 15?

• 1 to 1.5

• 5 to 7.5

• 2 to 3

• 10 to 15

What does an extended ratio compare?

• Three or more quantities

• Only identical items

• Two quantities

• Quantities in different units

How can proportions be solved?

• Using division only

• Using cross products

• By addition

• By subtraction

What is a common multiplier in the context of solving proportions?

• A number that multiplies with the numerator to get the numerator and denominator of the other ratio.

• A number that is multiplied by the numerator and denominator of one ratio to get the numerator and denominator of the other ratio.

• A number that adds to both denominators to get the numerator and denominator of the other ratio.

• A number that divides both denominators to get the numerator and denominator of the other ratio.

How do you solve a proportion involving a binomial?

• By adding the binomial to both sides

• By using cross products

• By simplifying the binomial first

• By dividing both sides by the binomial

What is the sum of angles in a triangle?

• 360 degrees

• 90 degrees

• 180 degrees

• 270 degrees

How do you find the measure of each angle in a triangle with a ratio of 3:4:5?

• By multiplying each ratio by 60

• By dividing 180 by the sum of the ratios

• By adding the ratios

• By setting the sum of 3x, 4x, and 5x to 180

What does the perimeter of a figure relate to in extended ratio problems?

• The area of the figure

• The total length of its sides

• The volume of the figure

• The sum of its angles