Answer:
90 degree angle because a right angle is always 90 degrees
Answer:
65ft
Step-by-step explanation:
Pythagoreom therom
multiply 6 x 6 to get 36 and 7 x 11 to get 77.
6/7 x 6/11 = 36/77
Answer: 65,780
Step-by-step explanation:
When we select r things from n things , we use combinations and the number of ways to select r things = 
Given : The total number of playing cards in a deck = 52
The number of different five-card hands possible from a deck = 2,598,960
In a deck , there are 26 black cards and 26 red cards.
The number of ways to select 5 cards from 26 cards = 

Hence, the number of different five-card hands possible from a deck of 52 playing cards such that all are black cards = 65,780
If you choose Vanilla, there are 22 choices of toppings.
If you choose Chocolate, there are 22 choices of toppings.
If you choose Strawberry, there are 22 choices of toppings.
22+22+22 = 66
Therefore, there are 66 choices of toppings.