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Lisa [10]
3 years ago
10

In the rectangle below,

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0

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

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a. The expression for the tension in the string is T = mg

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To solve the problem, we need to know what tension is.

<h3>What is tension?</h3>

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<h3>a. Tension in the string</h3>

The expression for the tension in the string is T = mg

Since the string supports the weight of the object, the tension in the string equals the weight of the particle.

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So, T = W

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<h3>b. Tension in chain</h3>

The expression for the tension in the chain is T = 2mg

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Since the chain supports both strings, the tension in the chain equals the tension in both strings.

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Learn more about tension here:

brainly.com/question/24994188

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