The hypotenuse of a right triangle is 20 cm. One leg of the triangle is 7 cm. How long must the other leg be? I don’t want the answer in a file

A) 13 cm
B) 21.2 cm
C) 27 cm
D) 18.7 cm

henry ordered 5 large pizzas

step-by-step explanation:

sorry no step by step

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct

hm let me think hm think think hm think yes