If angle C = $$4x$$ and angle D = $$x + 30$$ , how do you find x?

Set up the equation $$4x = x + 30$$ .

If angle E = $$x/2$$ and angle F = $$x + 10$$ , how do you find x?

Set up the equation $$x/2 + x + 10 = 180$$ .

Resource Library

Math

Geometry

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Finding Angle Measures Using Equations

Finding angle measures using equations

Flashcard

•

Mathematics

•

7th Grade

•

Practice Problem

•

Hard

•

CCSS

4.MD.C.7, 7.G.B.5, 7.EE.B.4A

Standards-aligned

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16 questions

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FLASHCARD QUESTION

Front

What is the value of x if 2x + 10 = 70?

Back

Tags

CCSS.7.EE.B.4A

FLASHCARD QUESTION

Front

What is the measure of angle $30 + x$ if x = 50?

Back

Tags

CCSS.4.MD.C.7

FLASHCARD QUESTION

Front

What is the measure of angle $3x + 2$ if x = 18?

Back

Tags

CCSS.4.MD.C.7

FLASHCARD QUESTION

Front

What is the measure of angle 3x if x = 32?

Back

Tags

CCSS.7.G.B.5

FLASHCARD QUESTION

Front

What is the value of x if 4x - 8 = 120?

Back

Tags

CCSS.7.EE.B.4A

FLASHCARD QUESTION

Front

What is the equation to find the measure of an angle if it is represented as $x + 15$ ?

Back

Set up the equation based on the context, e.g., $x + 15 = 90$ .

Tags

CCSS.4.MD.C.7

FLASHCARD QUESTION

Front

If angle A = $2x$ and angle B = $3x$ , what is the relationship between them?

Back

Angle A and Angle B are supplementary if $2x + 3x = 180$ .

Tags

CCSS.7.G.B.5

FLASHCARD QUESTION

Front

What is the value of x if $5x - 10 = 0$ ?

Back

Tags

CCSS.6.EE.B.7

FLASHCARD QUESTION

Front

How do you find the measure of an angle represented as $x - 20$ ?

Back

Set up an equation based on the context, e.g., $x - 20 = 70$ .

Tags

CCSS.4.MD.C.7

10.

FLASHCARD QUESTION

Front

What is the measure of angle $x + 45$ if x = 25?

Back

Tags

CCSS.4.MD.C.7

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