tonytashaqua
03.05.2021 •
Mathematics
A triangle with side lengths of 8 cm, 14cm and 20 cm classify it as acute obtuse or right
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Ответ:
Obtuse
Step-by-step explanation:
The pythagorean theorem: a^2+b^2=c^2
Right triangles: a^2+b^2=c^2
Acute triangles: a^2+b^2>c^2
Obtuse triangles: a^2+b^2<c^2
8^2+14^2 ? 20^2
64+196 ? 400
260 < 400
The triangle is obtuse.
Ответ:
The zeros are x= 1/3, 5/2, 2