Answer:

Step-by-step explanation:
Given
The above diagram


Required
Determine length AB
Tangents drawn from the same point of a circle are equal;
<em>This implies that</em>

Substitute values for AB and AC

Subtract 3y from both sides


Divide both sides by 8



Substitute
for y in 




Answer:
50x50=1000000
Step-by-step explanation:
Answer: - Just a minus sign
Subtracting a positive is subtraction.
<h3>The
- changes the second (+) to a negativ </h3>
Step-by-step explanation:
Perhaps tthe point of this question would br to contrast it with
(+)-(-) becomes +
<h3>That would be
Subtracting a negative changes to addition.</h3>
If you are saying that the hypotenuse is 10 cm the you have to solve the following equation using the Pythagorean theory.
4^2 + b^2 = 10^2
16 + b^2 = 100
16 - 16 + b^2 = 100 - 16
b^2 = 84
Find 