Is ΔGHI obtuse or acute?
Is ΔJKL obtuse or acute?
a = 6
L
K
J
c = 9
b = 8
Therefore, JKL is acute.
100 > 81
62 + 8^2
a^2 + b^2
36 + 64
c^2
92
81
a = 6
H
I
G
b = 8
c = 12
Therefore, GHI is obtuse.
100 < 144
62 + 8^2
a^2 + b^2
36 + 64
c^2
122
144
501 Geometry Questions