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aev [14]
3 years ago
15

Which of the following sets could be the sides of a right triangle? {2, 3,square root 10} {3, 5, square root 34} {5, 8, 12}

Mathematics
2 answers:
NemiM [27]3 years ago
5 0

2,3,√10

is the answer

Setler79 [48]3 years ago
3 0

Answer:

Option 2 is correct.

Step-by-step explanation:

For right triangle

The pythagoras theorem should satisfy

The square of longest side should be equal to the sum of square of other two sides

c^2=a^2+b^2

Case1:

We have (2,3,\sqrt{10})

If we substitute in the formula

c=\sqrt{10},a=2,b=3  we get:

10\neq9+2

which does not satisfy the condition.

Case2:

We have  (3,5,\sqrt{34})

If we substitute in the formula

c=\sqrt{34},a=3,b=5  we get:

34=25+9

which satisfies the condition.

Hence, option 2 is correct.


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5 0
2 years ago
10. What is the measure of angle C?<br> A. 25°<br> B. 30°<br> C. 60°<br> D. 75°
Reil [10]

Answer:

D

Step-by-step explanation:

x + 5 + 3x + C = 180                All triangles have 180 degrees.

4x + 5 + C = 180

But C must be equal to 3x. Notice the markings on the lets of the triangle.

4x + 5 + 3x = 180

7x + 5 = 180                          Subtract 5 from both sides

7x = 180 - 5

7x = 175

x = 25

But angle C = 3x

C = 3*25

C = 75

8 0
3 years ago
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Answer:

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(b) t = 15 years

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