I have four questions please answer all! With data/evidence

1 answer:

7 0

To answer all these questions you will use the formula A= bh. In words this means to find the area you multiply the base times the height. For each of these examples, you are given the area and you have to find the missing dimension. Each of these will be set up as four separate equations that need solved. Here they are 0.225=0.6h, 4.86=1.8b, 63=12b, and 2.5=5h. To solve all four of these and show evidence, you were divided the area by the dimension that you know. 0.225÷0.6, 4.86÷1.8, 63÷12, and 2.5÷5. With any multiplication equation if you know the total, you have to divide to find the missing part. The answers for each of these in order that they are presented our 3.75 miles, 2.7 yards, 5.25 m, and 0.5 km. None of the answers are square units because they are only giving a one dimensional measurement.

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The measures of two angles of a triangle are 23 degrees,and 67 degrees.is the triangle acute,right,or obtuse?

Margaret [11]

Trick question — it’s a right triangle. Here’s why:
23 + 67 = 90. All triangles have an interior angle sum of 180. 180 - 90 = 90. 90 degrees is right, and therefore, having a right angle, this is a right triangle.

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2 years ago

The perimeter of a triangle is 92 centimeters. if two sides are equally long and the third side is 8 centimeters longer than the

Dmitry [639]

Nvm wait I read the question wrong. The real answer would be 28, 28, 36

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3 years ago

The longest side of a triangle is 3 in. longer than the shortest side. The medium side is 2 in. longer than the shortest side. I

Olenka [21]

s = length of the shortest side of the triangle

m = length of the medium side of the triangle

l = length of the longest side of the triangle

(you can use different variables like l, w, h, x, y.......)

Perimeter(P) of a triangle is the total sum of the sides, in this case:

P = s + m + l

You know:

P = 26in

l = s + 3 [longest side is 3in longer/more than(addition) the shortest side]

m = s + 2 [medium side is 2in longer than the shortest side]

To find the lengths of the three sides, you can do this:

P = s + m + l Substitute/plug in what you know. So plug in 26 into "P" since P = 26, plug in (s + 3) into "l" since l = s + 3, and plug in (s + 2) into "m" since m = s + 2

26 = s + (s + 2) + (s + 3) Combine like terms (like terms have the same variable and power/exponent)

26 = 3s + 5 To find "s", isolate/get the variable "s" by itself. Subtract 5 on both sides

21 = 3s Divide 3 on both sides to get "s" by itself

7 = s

Now that you found s, you can use it to find the other sides

m = s + 2 Substitute/plug in 7 into "s" since s = 7

m = 7 + 2

m = 9

l = s + 3 Plug in 7 into "s"

l = 7 + 3

l = 10

The longest side is 10 inches, the medium side is 9 inches, the shortest side is 7 inches