题目内容
一个三角形的三个内角的比是2:3:4,这三个内角的度数分别是______度、______度、______度.
180°×
,
=180°×
,
=40°;
180°×
,
=180°×
,
=60°;
180°×
,
=180°×
,
=80°.
答:这三个内角分别是40°,60°,80°.
故答案为:40,60,80.
| 2 |
| 2+3+4 |
=180°×
| 2 |
| 9 |
=40°;
180°×
| 3 |
| 2+3+4 |
=180°×
| 3 |
| 9 |
=60°;
180°×
| 4 |
| 2+3+4 |
=180°×
| 4 |
| 9 |
=80°.
答:这三个内角分别是40°,60°,80°.
故答案为:40,60,80.
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