Angles: answer key to 5th grade math exercises in PDF.

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The answer key to the 5th grade math exercises on angles. Know how to show that two angles are opposite at the vertex, alternate-internal or corresponding.

Exercise 1:

1. The angles $\widehat{A}$ and $\widehat{B}$ are complementary and $\widehat{A}$ = 54°. Determine $\widehat{B}$ .

$\widehat{B}=90-54=36^{\circ}$

2. The angles $\widehat{C}$ and $\widehat{D}$ are supplementary and $\widehat{C}$ = 84°. Determine $\widehat{D}$ .

$\widehat{D}=180-84=96^{\circ}$

Answers to the exercises on angles in 5th grade.

After consulting the answers to these exercises on angles in 5th grade, you can return to the exercises in 5th grade.

Fifth grade exercises.

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Answers to the exercises on angles in 5th grade.

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