natashaemami natashaemami

05-11-2020
Mathematics

contestada

15, 16, 21
Ο Not αΔ
0 Acute
Right
0 Obtuse

Respuesta :

adamscarlet45 adamscarlet45

05-11-2020

Answer:

15, 16, 21 are all acute. They are not obtuse or right.

Step-by-step explanation:

A right should have 90 degrees

A obtuse should be more than 90 and less than 180 degrees

A acute is less than 90 degrees

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