Classify this angles.
i)Less than `90^(circ) .`
ii)`90^(circ) .`
iii)More than `90^(circ) .`

Explanation

i)less than `90^(circ): 80^(circ), 64^(circ), 9^(circ)`

ii) `90^(circ): 90^(circ)`

iii)More than `90^(circ): 143^(circ)`