| Category | Format | Size |
|---|---|---|
| People's Education Press Eighth Grade Mathematics Volume 1 | pptx | 6 MB |
"Sides of a Triangle" Triangle PPT Courseware 3
Description
"Sides of a Triangle" Triangle PPT Courseware 3
Activity 1
1. Ask students to give examples of objects with triangles they see in daily life.
2. Draw a triangle of any shape.
3. Can you tell the definition of triangle?
definition:
A figure composed of three line segments that are not on the same straight line and are connected end to end is called a triangle.
basic exercises
1. Are there _____ triangles in the picture?
they are, respectively___________________________. ___________________________.
2. In △ACD, the three sides are ____________________ and the three angles are ___________, the opposite sides of ∠DAC are _____ and the opposite angles of AC are ___________.
judge:
(1) A scalene triangle is a triangle with two unequal sides. ( )
(2) An equilateral triangle is a special isosceles triangle. ( )
(3) The waist and base of an isosceles triangle must not be equal. ( )
(4) An equilateral triangle is an acute triangle. ( )
(5) An isosceles right triangle is not an isosceles triangle. ( )
Lesson Summary
The main contents of this lesson are:
1. The concept and classification of triangles.
2. The relationship between the three sides of a triangle.
Keywords: Triangle courseware, Triangle sides courseware, New People's Education Edition eighth grade mathematics PPT courseware, eighth grade mathematics slide courseware download, Triangle PPT courseware download, Triangle sides PPT courseware download, .ppt format
For more information about the "Sides of Triangles" PPT courseware, please click the "Sides of Triangles ppt" ppt tag.
"Sides of a Triangle" PPT courseware:
The first part of the "Side of a Triangle" PPT courseware content: Triangle analysis Triangle: a figure composed of three line segments that are not on the same straight line connected end to end. Representation of a triangle: Triangle ABC in the picture, recorded as: △ABC, read Make: Triangle ABC ..
"Sides of a Triangle" PPT:
"Side of a Triangle" PPT Part One Content: Introduction to the New Lesson Let's talk: What do you know about triangles? Pages 100-101 of the independent study textbook. Observation and thinking, what everyone talked about, continue to understand: 1. The concept of triangle 2. The sides of a triangle..
"Measuring the Height of an Object" The relationship between the sides and angles of a right triangle PPT courseware 2:
"Measuring the Height of an Object" The relationship between the sides and angles of a right triangle PPT courseware 2 1. How to measure the inclination angle You can use an inclinometer to measure the inclination angle. ----A simple inclinometer consists of a dial, a plumb bob and a support rod. The steps for using an inclinometer to measure the inclination angle are as follows: 1. Hold the support...
File Info
Update Time: 2024-07-10
This template belongs to Mathematics courseware People's Education Press Eighth Grade Mathematics Volume 1 industry PPT template
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