"Supplementary Angle and Supplementary Angle" preliminary PPT courseware for graphic understanding

Description

"Supplementary Angle and Supplementary Angle" preliminary PPT courseware for graphic understanding

learning target

Understand the definitions of complementary angles and supplementary angles.

Can use the relationship of complementarity and complementarity to perform calculations.

Self-study guide:

Use graphics to understand the concepts of complementary angles and supplementary angles.

Think about how to find the supplementary and supplementary angles of an angle.

After 4 minutes, see who can creatively create exercises similar to the examples.

Test questions:

⑴If the sum of two angles is equal to ____, the two angles are said to be supplementary angles.

⑵If the sum of two angles is equal to ____, the two angles are said to be supplementary angles.

⑶If ∠a=61°38', then the supplementary angle of ∠a is ____, and the supplementary angle of ∠a is ____.

⑷If the ratio of an angle to its supplementary angle is 1:2, then the two angles are ____, and the ratio of this angle to its supplementary angle is ____.

⑸If an angle is equal to 3 times its supplementary angle, then the supplementary angle of this angle is ____.

⑹ It is known that ∠1 and ∠2 are supplementary angles to each other, then the sum of the supplementary angles of ∠1 and ∠2 is ____.

⑺It is known that ∠1=120°-3m, ∠2=3m-30°, then the relationship between ∠1 and ∠2 is ____.

⑻It is known that the supplementary angle of an angle is 1/5 of this angle. Find the measure of this angle ____.

Classwork:

①P140 13 questions.

②It is known that ∠1=35°19´, then the complementary angle of ∠1 is equal to ____ degrees.

③If ∠1=30°, then the supplementary angle of ∠1 is ____ degrees.

④The difference between the supplementary angle of an acute angle and its complementary angle is ____ degrees.

⑤It is known that ∠A is 4 times its supplementary angle, then ∠A is ____ degrees.

⑥It is known that ∠1 and ∠2 are complementary to each other, and ∠1=15°, then the supplementary angle of ∠2 is ____ degrees.

Keywords: Preliminary courseware for understanding figures, courseware for complementary angles and supplementary angles, PPT courseware for seventh-grade mathematics in the first volume of the New People's Education Press, downloadable courseware for seventh-grade mathematics slides, downloading PPT courseware for preliminary understanding of figures, downloading PPT courseware for supplementary and supplementary angles, .ppt format

For more information about the PPT courseware "Preliminary Complementary Angle and Supplementary Angle in Graphics Understanding", please click the "Preliminary Complementary Angle and Supplementary Angle in Graphics Understanding" ppt tag.

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Update Time: 2024-11-19

This template belongs to Mathematics courseware People's Education Press Seventh Grade Mathematics Volume 1 industry PPT template

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