Question

I need help ASAP plz

Answer 1

a = 14.4

Explanation:

It's a right angled triangle. so it has to follow Pythagoras Theorem

according to it square of hypotenuse = sum of squares of other two sides

`16 {}^(2) = {x}^(2) + 7 {}^(2) \\ 256 = x {}^(2) + 49 \\ 256 - 49 = x {}^(2) \\ 207 = x {}^(2) \\ x = √(207 ) \\ x = 14.387 \\ x = 14.4`

after rounding the decimal a= 14.4 in

Answer 2

This is a right triangle. To find the third side of a right triangle. Use the Pythagorean Theorem.
a^2+b^2=c^2
a and b are the legs, c is the hypotenuse.
a^2+7^2=16^2
a^2+49=256
Subtract 49 from both sides:
a^2=207
Square foot:
a=14.38749457 in.
Round to nearest tenth:
14.4 in