find the percentage decrease in the area of triangle if each of its side is halved. (by using heron\'s formula)

Answers

Answer 1

Answer: lets say that you had a triangle that had an area of 64, each side being 4 (4X4X4=64) then you cut each side in half 2X2X2 the percentage decrease would be 87%

Answer 2

Answer:

Please find attached photograph for your answer.

Hope it helps.

Do comment if you have any query.

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Plz help me i dont understand
What is 5 as a decimal?
Using the rule multiply by 5, subtract 1 what is the next number in the pattern below? 3, 15, 14

Solve the problem explain your answer 6/7m = 5/6

Answers

$(6)/(7)m = (5)/(6) \ \ / \cdot 42\n \n6 \cdot 6m =7*5\n \n36m=35\ \ /:36 \n \nm =(35)/(36)$

4.3 as a percentage

Answers

Since 1 is 100%
4.3 is 430 %

Hope it helped :)

430% because you have to move the decimal place to the right two times

Which one is bigger 4m or 400dm

Answers

1 m = 10 dm
4 m = 40 dm
40 dm < 400 dm

Answer: 400 dm is bigger.

400 dm is greater becayse 1m=10dm

What number replaces the ◊?

8 + 5 = 4 + 9
8 + 5 + ◊ = 4 + 9 + 1

Answers

it will be one because 9+4 is 13 and so is 8+5 so if you add 1 to each side it will be 14.

Evaluate the expression when a b 14 15 and b

Answers

a=-15
b=-5
(b+14)/a=(-5+14) / -15=9/-15=-9/15=-3/5

answer: -3/5

a computer store bought a program at a cost of $20 and sold it at a selling price$26. what is the percent markup

Answers

it would be a 6 percent mark up :)

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