Answer:
y = 
Step-by-step explanation:
to get the hypotenuse:
use the Pythagorean theorem:
a² + b² = c²
where a = 19, b = 8.2 c = y
plugin values:
19² + 8.2² = y²
y = 
-7+(9)=2
you can do the opposite of what is given (9-7)
Answer:
15
Step-by-step explanation:
A=
r^2
A1=
* 36^2
A1=
* 1296cm^2
A2=
* 54cm^2
1296/54=
15 digreese
Answer:
Step-by-step explanation:
third side is <11+9 or <20cm
or >11-9 or >2
so third side=15 cm
Let x be the sale.
Then 500+.05x>1500
.05x>1500-500
.05 x>1000
x>$2000
minimum sale=$2000