Please answer this correctly

66 + 72 = 138 in^2

Step-by-step explanation:

Split the figure into two rectangles. The rectangle has the dimensions 6 and 11. 6 x 11 = 66 in^2. Now do the other one

The 2nd rectangles dimensions are 9 and 8. 9 x 8 = 72 in^2

138 in^2

Step-by-step explanation:

The rectangle on the left has an area of

A = l*w = 19*6 = 114 in^2

The rectangle on the right has an area of

A = l*w = 3*8 = 24 in ^2

Add the two areas together

114+24 =138 in ^2

idk

step-by-step explanation:

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.