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# High School: Geometry

## Equidistant Points 2

Directions: Fill in the empty blanks with whole numbers 1 through 9, using each number at most once, so that you create two points equidistant from (4,-1). Source: Bryan Anderson

## Equilateral Triangle Side Length

Directions: What is the side length of an equilateral triangle that has an area of 5 square units? Source: Robert Kaplinsky

## How Many Squares?

Directions: How many squares are shown in the diagram below? Source:  This problem was found in the Fifth Edition Elementary Geometry for College Students by Alexander and Koeberlein

## Equidistant Points

Directions: How many points with two integer coordinates are 5 units away from (-2, 3)? Source: Dylan Kane

## Cone and Cylinder Volumes

Directions: A cone is twice as tall as a cylinder of the same radius. What is the ratio of their volumes? Source: Dylan Kane

## Equation of the Biggest Circle

Directions: Fill in the blanks with integers (including negatives) that meet the following requirements: The equation’s graph is a circle. The circle has the biggest area The circle is completely inside the first quadrant The circle’s radius is a whole number 1 through 9. Source: Nanette Johnson

## Longest Chord in a Circle

Directions: What is the longest chord in a circle that has an area of 25π square units? Source: Nanette Johnson

## Make the Biggest Circle

Directions: Using the whole numbers 1 – 9 as many times as you like, make the biggest circle by filling in the blanks below: Source: Robert Kaplinsky