Answer:
Acute angles are less than 90
obtuse is more than 90
right angles are exactly 90
Step-by-step explanation:
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Answer:
15 teachers
Step-by-step explanation:
Given:
number of children is c
number of teachers is t
=
(rearrange)
t =
x C
When C = 70,
t =
x 70
t = 15 teachers