Please help!! MathsWatch, Surd Expressions, Clip 207c

Step-by-step explanation:

see the attached figure with letters to better understand the problem

Let

a ----> the height of rectangle in mm

b ---> the base of rectangle in mm

step 1

Find the base of rectangle

----> by segment addition postulate

substitute

step 2

Find the height of rectangle

---> by segment addition postulate

substitute the given values

Find the length sides CG

Applying the Pythagorean Theorem

substitute the given values

simplify

therefore

step 3

Find the area of rectangle

we have

substitute

b

step-by-step explanation:

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation: