3 years ago

Math help? 10 points!

1 answer:

4 0

Perimeter is when you add all the sides together...but oh, no! There are two sides missing! So we have to find it. The horizontal like could be x and the vertical, the y. x would be 3 because one side is 7 and the other side is 4, so if we subtract them, we get 3. Same for the vertical, the y would be 3. (3+3=6)

Now we could add all sides to get the last choice, or 26 cm.

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A = 2bh+6<br>make b subject algebraic expression

Sindrei [870]

Answer:

b = (a - 6)/2h

Step-by-step explanation:

a = 2bh + 6 (subtract 6 from both sides)

a - 6 = 2bh (divide both sides by 2)

(a - 6)/2 = bh (divide both sides by h)

(a - 6)/2h = b

Brainliest, please :)

6 0