Math II - 2 Week 4 Lesson 4.6, 4.7, 4.8
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is the formula for the sum of the angles in a triangle?
Back
The sum of the angles in a triangle is always 180°.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
If the sides of a triangle are represented as 5x + 2 and 12, how do you find the value of x?
Back
Set up the equation: 5x + 2 = 12. Solve for x to find x = 2.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
In triangle ABC, if m∠A = (3x - 12)°, m∠B = (2x)°, and m∠C = (11x)°, how do you find the measures of the angles?
Back
Use the equation (3x - 12) + (2x) + (11x) = 180° to solve for x, then substitute back to find each angle.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
What is an isosceles triangle?
Back
An isosceles triangle is a triangle with at least two sides of equal length, which also means it has at least two equal angles.
Tags
CCSS.4.G.A.2
5.
FLASHCARD QUESTION
Front
How do you determine if triangle ABC with vertices A(1, 1), B(4, 4), C(6, -2) is isosceles?
Back
Calculate the lengths of the sides using the distance formula. If two sides are equal, the triangle is isosceles.
Tags
CCSS.HSG.GPE.B.7
6.
FLASHCARD QUESTION
Front
What is the relationship between the sides and angles in a triangle?
Back
In a triangle, the larger the angle, the longer the opposite side; conversely, the smaller the angle, the shorter the opposite side.
Tags
CCSS.HSG.CO.C.10
7.
FLASHCARD QUESTION
Front
If BC = 5x + 0.75 and XY = 3x - 0.25, how do you find the length of BC when XY = 5?
Back
Set 3x - 0.25 = 5, solve for x, then substitute x back into BC = 5x + 0.75 to find its length.
Tags
CCSS.4.MD.A.2
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