The sum of interior angle is = 180(n-2) where n denotes the number of sides
so 1260° =180(n-2), n -2= 1,280/180=7, so n=7+2=9
the answer is <span>C. 9
</span>
Answer:
300.29
Step-by-step explanation:
When a power is negative it can be written as one over number raised to the power ( 5
=
)
∴ (4 ÷ 3)
=
=
= 1 ÷
= 1 ×
Thus (4 ÷ 3)
= <span>
</span>
It would be perpendicular