Geometry Chapter 4 ACT
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an acute triangle?
Back
An acute triangle is a triangle where all three interior angles are less than 90 degrees.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is a scalene triangle?
Back
A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
What is the value of y if the equation is y + 36 = 90?
Back
y = 54.
4.
FLASHCARD QUESTION
Front
What does the SAS postulate state?
Back
The SAS (Side-Angle-Side) postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
What does it mean for two triangles to be congruent?
Back
Two triangles are congruent if they have exactly the same size and shape, meaning all corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
6.
FLASHCARD QUESTION
Front
What is an equilateral triangle?
Back
An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal, each measuring 60 degrees.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
What is the definition of an obtuse triangle?
Back
An obtuse triangle is a triangle that has one interior angle greater than 90 degrees.
Tags
CCSS.4.G.A.2
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