The base is 315. Perimeter of base is 72.
Answer:
+/- x over 12
Step-by-step explanation:
Answer:
Step-by-step explanation:
The given expression is

We will rewrite the expression

When we add the fraction
=
= 8
While Andre says the answer is 
because Andre added the denominator where he has to make a common denominator that should be 4 instead of 8.
Andre made mistake in this step
Picture is given below :
It's about 12.9 . When two chords intersect, the products of the segments are equal. So (15 x 30) = 35a .