A rope from the top of a flagpole is attached to a stake in the ground 19 feet from the pole. If the rope is 28 feet long, how tall is the pole?

20.5

Step-by-step explanation:

a²+b²=c²

a²+19²=28²

a²+316=784

subtract 361 from both sides

a²=423

√423=20.5

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb