

Ratios and Proportions
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, expressed as 'a:b' or 'a/b'.
2.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal, expressed as 'a/b = c/d'.
3.
FLASHCARD QUESTION
Front
If two figures are similar, what does that imply about their corresponding angles?
Back
The corresponding angles of similar figures are congruent.
4.
FLASHCARD QUESTION
Front
If ABCDE ∼ GHJDF, then which angles are congruent?
Back
∠B is congruent to ∠H.
5.
FLASHCARD QUESTION
Front
How do you simplify the ratio of boys to girls in a class with 15 boys and 20 girls?
Back
The boy:girl ratio in simplest form is 3:4.
6.
FLASHCARD QUESTION
Front
What is the cross-multiplication method used for in proportions?
Back
Cross-multiplication is used to solve proportions by multiplying the means and extremes.
7.
FLASHCARD QUESTION
Front
Back
x = 6.
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