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Leokris [45]
3 years ago
7

What is the value of x? 132√ cm 526√3 cm 262√ cm 263√ cm

Mathematics
1 answer:
Ivan3 years ago
3 0
30 60 90 right triangle on the right
ratio of short leg: long leg :hypo = a: a√3: 2a
So if hypo = 52 cm then short leg = 52/2 = 26 cm

The other right triangle on the left is 45 45 90 because it has 2 equal sides
ratio of leg: leg :hypo = a: a: a√2

the leg = 26 cm
so hypo x = 26√2

Answer
26√2 cm
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In the rectangle below,
STALIN [3.7K]

Answer:

Step-by-step explanation:

In a rectangle,  diagonals are equal and bisect each other

BE  =   AE

6x - 5 = 2x +  7

6x - 2x - 5 = 7

       4x - 5 = 7

             4x = 7 + 5

             4x = 12

               x = 12/4

               x = 3

AE = 2x + 7

     = 2*3 + 7

    = 6 + 7

AE =  13

AC = 13 + 13

AC = 26

m∠EBC = 50

In rectangle, each angle is 90

m∠ABE + m∠EBC = 90

m∠ABE + 50 = 90

          m∠ABE = 90 - 50

          m∠ABE = 40

In rectangle, AB // DC and DB transversal

m∠ECD = m∠ABE   { alternate interior angles}

m∠ECD = 40

8 0
3 years ago
Please help me <br><br> I really need it it would mean a lot
sattari [20]

Answer:

its 4.8cm^3

Step-by-step explanation:

i took the test and got it right.

7 0
3 years ago
What is the area of a trapezoid that has the bases of 1 1/4ft and 14 inches and a height of 3 inches.
Rom4ik [11]

The area of the trapezoid is 43.5 inches²

Step-by-step explanation:

The formula of the area of a trapezoid is A=\frac{1}{2}(b_{1}+b_{2})h , where:

  • b_{1} and b_{2} are the two parallel bases
  • h is its height

∵ b_{1} = 1\frac{1}{4} feet

∵ b_{2} = 14 inches

∵ h = 3 inches

- Change the length of b_{1} from feet to inches

∵ 1 foot = 12 inches

∴ 1\frac{1}{4} feet = 1\frac{1}{4} × 12 = 15 inches

∴ b_{1} = 15 inches

Substitute the values of b_{1} , b_{2} and h in the

formula of the area

∴ A=\frac{1}{2}(15+14)(3)

∴ A = 43.5 inches²

The area of the trapezoid is 43.5 inches²

Learn more:

You can learn more about the area of figures in brainly.com/question/12919591

#LearnwithBrainly

5 0
4 years ago
PLS HELP ME ASAP I DONT HAVE TIME IT ALSO DETECTS IF ITS RIGHT OR WRONG
siniylev [52]

Answer

3.2

Step-by-step explanation

8% of 40 is 3.2

so it would be 40- 3.2 and that = 36.8

3 0
3 years ago
PLZZZZ HELP ASAP... Donald spends a total of $17.43 on peanuts that cost $2.49 per pound. How many pounds of peanuts does he buy
Finger [1]

Answer:

17.43 = 2.49x equation

answer: 7

Step-by-step explanation:

17.43 = 2.49x

First divide 2.49 by 17.43

17.43/2.49

which will give you the result of

7

7 0
3 years ago
Read 2 more answers
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