Answer:

Step-by-step explanation:
We have,
Radius of the circle is 12 cm
Arc length, l = 21 cm
It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

is central angle

So, the angle at the centre of the circle is
.
In a right triangle, the hypotenuse is √2 x the legs. In this case, the value of x is
.
The GCF of 96x² and 88x is 8x.
Answer:
6x-4y=2
Step-by-step explanation:
-4y+6x=2
6x-4y=2