English Math

2006-11-22 1:25 pm
1. The measure of the second angle in a triangle is four more than the measure of the first angle and the measure of the third angle is eight more than twice the measure of the first angle. Find the measure of each angle.

Describe each stsement as always, sometimes or never ture.

2. A scalene triangle is an isosceles triangle.
更新1:

要有步驟 ( 詳細 ),中文解答,答案.Thank you very much!!!

回答 (1)

2006-11-22 1:46 pm
✔ 最佳答案
1) B = A + 4 C = A + 8
A + B + C = 180
A + (A + 4) + ( A + 8) = 180 3A = 168 A = 56
56 + 60 + 64 = 180
Always true

2) Scalene is a triangle with three unequal sides,
Isosceles is a triangle that has two equal sides,
Therefore, scalene triangle is not not an isosceles triangle.
Never true


收錄日期: 2021-04-22 23:24:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061122000051KK00503

檢視 Wayback Machine 備份