Answer:
X and Y = 4
Well, it's a right triangle. The red box means 90 degree angle. So I would say that all the sides are equal.
Answer:
If my calculations are correct.
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The volume of the square pyramid is equal to

we have
----> the length of the base of the square pyramid
---> the height of the pyramid
substitute the values in the formula


so first day and so on
7, 10, 13,....
as you can see it's an arithmetic progression
so sum for nth term= n/2 { 2a + (n-1) d}
it's the sum of the 7th term
so
7/2 { 7 ×2 + ( 7-1) 3}
7/2 × 32
7× 16
112 fishes
The two numbers are 14 and 11