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saw5 [17]
4 years ago
9

HELPPP . One side of a triangle is half the longest side. The third side is 8 meters less than the longest side. The perimeter i

s 52 meters. Find all three sides
Mathematics
1 answer:
Sunny_sXe [5.5K]4 years ago
6 0

Answer:

Step-by-step explanation:

Side A is the longest side

Side B is half of A = A/2

Side C is 8m less than A = A-8

Perimeter of traingle = A+B+C

52 = A + A/2 + A-8

Collect like terms

52+8= A+A/2+A

60 = 5/2 A

Divide 60 by the coefficient of A

60÷5/2 = A

60×2/5= A

A=24m

Substitute the value of A into the expressions for sides B and C

Side B =A/2=24/2=12m

Side C =A-8=24-8=16m

The sides of the triangle are 24m, 12m and 16m

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3 years ago
(60 points to best answer) (asap please and thank you)
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Answer: 83.\overline{3}\text{ feet}

Step-by-step explanation:

Since, In the given diagram,

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BC = 62 feet, DC = 93 feet and DE = 125 feet(given)

And, angles B and D are right angles,

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\text{Also, } \angle ACB\cong \angle ECD    ( Vertically opposite angles )

By AA similarity postulate,

\triangle ABC\sim \triangle EDC

The sides of similar triangles are in same proportion ,

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By substituting the values,

We get,

⇒  AB = \frac{62\times 125}{93}

⇒  AB = \frac{7750}{93}=83.\overline{3}\text{ feet}

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4 years ago
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lutik1710 [3]

Answer:

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Step-by-step explanation:

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So now you know y=3x+b, then you substitute one of the points in for x and y, and you get 7=3(1)+b, where b is your y-intercept. then you solve, and find that b=4.

Now you put it into slope intercept form, which is y=mx+b, where m=3 and b=4, so you are left with y=3x+4.

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Answer:

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Q1.

0.47 =  \frac{47}{100}

\frac{47}{100}  \times 100 = 47

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\frac{98}{100}  \times 100 = 98

Q3.

0.25 =  \frac{25}{100}

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