People's Education Press Eighth Grade Mathematics Volume 1

Description

"Sides of a Triangle" Triangle PPT Courseware

Student Activities

(1) Communicate the triangles you see in daily life.

(2) Select representatives to explain the existence of triangles in our lives.

read it

Read textbook P1~2 and answer the following questions:

(1)What is a triangle?

(2) How many sides does a triangle have? How many interior angles does it have? How many vertices does it have?

(3) Triangle ABC is represented by the symbol ________.

(4) The sides AB, AC and BC of triangle ABC can be represented by lowercase letters as _________.

Discuss

1. In the same triangle, what is the relationship between the sum of any two sides and the third side?

2. In the same triangle, what is the relationship between the difference between any two sides and the third side?

3. What is the unequal relationship between the three sides of a triangle?

What conclusions can students draw through hands-on experiments? What are the reasons?

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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...

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Update Time: 2024-10-26

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

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