Answer:
312
Step-by-step explanation:
First we find the measure of the basea and that is 144 becuase 12x12
To find one side we do b*h over 2 and that is 7x12/2 which is 42 then we know that there are 4 more of those sides and we get 42*4 168
When we add 144+168 we will get 312
Answer:
The shape has 6 angles and 6 sides
Step-by-step explanation:
therefore it is a hexigon as hexigon is a polygon of six angles and six sides.
Step-by-step explanation:
we know,

Therefore, nth term of a given gp is
16a
Answer:
BC
Step-by-step explanation:
A secant is a line which intersects the circle at 2 points
In the given diagram this is BC
Joe is 15, 45-15=30 30/2=15