Answer:
X=57
Step-by-step explanation:
77+46+X=180
123+X=180
X=180-123
X=57
Answer:
d
Step-by-step explanation:
formula for area of a triangle is base * width * 1/2
Answer:


Step-by-step explanation:
The question relates with rules of indices
(a) The give expression is presented as follows;

By expanding the expression, we get;

Collecting like terms gives;


(b) The given expression is presented as follows;

Therefore, we get;

Collecting like terms gives;



The measure of arc PO is 173 degrees