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Mekhanik [1.2K]
3 years ago
12

Find the AREA and PERIMETER of the triangle.

Mathematics
1 answer:
Neporo4naja [7]3 years ago
8 0
PERIMETER: First you’ll find the second leg for the smaller triangle by using the pythagorean theorem (a^2 + b^2 = c^2)
3^2 + b^2 = 5^2
=4 cm

Then you’ll use this number to find the hypotenuse of the larger triangle,
15^2 + 4^2 = c^2
which comes out to about 15.52 cm

Perimeter (shaded/large) = 34.52 cm
Perimeter (small) = 12 cm

Perimeter (total) = 46.52 cm


AREA:
We will be using the formula for the area of a triangle here (b*h/2)

Area (large) = (4*15)/2 = 30 cm
Area (small) = (3*4)/2 = 6 cm

Area (total) = 30+6 = 36 cm
OR ((15+3)*4)/2= (18*4)/2 = 36 cm
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A local school district requires all fourth graders to complete a 20-minute test containing 200 multiple-choice mathematics problems.

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2 years ago
A soccer team played 160 games and won 65 percent of them. how many games did it win?
kolbaska11 [484]
Here is how to solve it.

65% of 160

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=(65/100)(160/1)

=(13/20)(160/1)

=(13)(160)/(20)(1)

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Therefore they won 104 games! :D
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4 years ago
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Komok [63]

Answer:

x=14/3

Step-by-step explanation:

According to the corresponding angles theorem, when parallel lines are cut by a transversal, the corresponding angles are congruent. These 3 lines are all parallel, so 70 = 12x +14.

Subtract 14 from both sides

56 = 12x

Divide both sides by 12

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Your friend wants to pay off his credit card with a balance of $880.00 and an interest rate of 16.65% APR by getting a loan from
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U need to subtract 880.00 by 16.65 then add to that answer 5.35
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3 years ago
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What is a solution to 3/4 a is greater than -16
Helen [10]

Answer:

a > - 21.33

or

a > -21 1/3

Step-by-step explanation:

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or

a > -21 1/3

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