Unit 3 Review

Flashcard
•
Mathematics
•
8th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Pythagorean Theorem?
Back
In a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). Formula: a² + b² = c².
Tags
CCSS.8.G.B.8
2.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse in a right triangle?
Back
Use the Pythagorean Theorem: c = √(a² + b²), where c is the hypotenuse and a and b are the other two sides.
Tags
CCSS.8.G.B.8
3.
FLASHCARD QUESTION
Front
What is the formula for the area of a triangle?
Back
Area = 1/2 * base * height.
Tags
CCSS.6.G.A.1
4.
FLASHCARD QUESTION
Front
How do you round a number to the nearest hundredth?
Back
Look at the third decimal place. If it's 5 or more, round up the second decimal place by one. If it's less than 5, keep the second decimal place the same.
Tags
CCSS.5.NBT.A.4
5.
FLASHCARD QUESTION
Front
What is a right triangle?
Back
A triangle that has one angle measuring 90 degrees.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
What is the square root of a number?
Back
A value that, when multiplied by itself, gives the original number. For example, √28 is approximately 5.3.
Tags
CCSS.8.EE.A.2
7.
FLASHCARD QUESTION
Front
What does it mean for a triangle to be a right triangle?
Back
It means that one of its angles is exactly 90 degrees.
Tags
CCSS.4.G.A.2
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