Answer: P=7.2 inches
Explanation:
The Pythagorean Theorem equation is a^2+b^2= c^2
In the figure, we can tell that 3 inches is the hypotenuse and the 2 inches is a leg of the triangle. So we put the 3 in the the c^2 spot and the 2 in the b^2 spot in the equation.
a^2+2^2=3^2
Next, you will square the values by 2.
a^2+4=9
Next, you will subtract 4 from both sides.
a^2+4=9
-4 -4
a^2= 5
Next, you will square root the a^2 and the 5.
a=2.2360679775
Next, you will add the all the values up.
2.2360679775+2+3= 7.2360679775
Next, you will have to round to the nearest tenth. When you are rounding the value to the nearest tenth, you will have to look at the value in the hundredths place. If the value in hundredths place is 5 or above you give a shove or if the value is 4 or below, you leave it alone. So, you will see that there is 3 was in the hundredths place and 3 is not 5, so you will just left the 2 in the tenths place alone.
P=7.2360679775 ---> P=7.2 inches