Geometry Basics
An angle that measures exactly 90 degrees.
What is a right angle?
Any continuous part of the curved outer edge of a circle.
What is an arc?
The place value of the digit 7 in the number 3.57.
What is the hundredths place?
The total value of 3 quarters, 2 dimes, and 4 pennies.
What is 99 cents (or $0.99)?
You buy a pizza for $12.00. If you eat a slice that , What is the dollar value of the pizza you just ate?
What is $3.00
The total degrees inside any triangle.
What is 180 degrees?
An arc of a circle that measures exactly 180 degrees, dividing the circle perfectly in half.
What is a semicircle?
The result when you add 0.45 and 0.3.
What is 0.75?
The amount of change you receive back from a $20 bill if your total grocery bill is $14.25.
What is $5.75?
A contractor charges $0.50 per foot to paint lines. To paint the perimeter of a rectangular garden that is 10 feet wide and 20 feet long, it will cost this much.
What is $30.00? (Perimeter = 60 feet)
This type of triangle has three sides of completely different lengths.
What is a scalene triangle?
If a full circle has 360 degrees, this is the degree measure of a minor arc that covers exactly one-fourth of the circle.
What is 90 degrees?
The product of 0.6×0.4.
What is 0.24?
If a video game costs $45.00 and is on sale for 20% off, this is the amount of money you save.
What is $9.00?
A designer wants to put a gold trim along a semi-circular archway. If the total circumference of a full matching circle is 30.4 meters, they will need this many meters of gold trim.
What is 15.2 meters?
The mathematical formula used to find the area of a triangle
What is 2/1×base×height? (or A=2b/h)
This is the specific term for an arc that measures greater than 180 degrees.
What is a major arc?
Write the fraction 8/3 as a decimal.
What is 0.375?
The number of nickels it takes to make exactly $3.50.
What is 70?
A standard wall clock is a perfect circle. If the minute hand moves from 12 o'clock straight down to 6 o'clock, it has traveled along an arc measuring this many degrees.
What is 180 degrees?
Two lines that cross each other at a perfect 90-degree angle.
What are perpendicular lines?
To find the actual physical length of an arc, you multiply the circle's total circumference by the arc's degree measure divided by this number.
What is 360?
The result when you divide 1.2 by 0.04.
What is 30?
If you buy 4 tickets to a movie and the total comes to $54.00, this is the price of a single ticket.
What is $13.50?
You are building a circular track. The material costs $2.50 per meter. If the minor arc section you are building has a length of 4.5 meters, the total cost for that section is this much.
What is $11.25?