The sides of a triangle are 3 cm, 5 cm and 7 cm. Which of these correctly classifies the triangle?

Scalene triangle

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Isosceles triangle

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Equilateral triangle

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Right-angled triangle

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Solution

The correct option is A Scalene triangle
The sides of a triangle are 3 cm, 5 cm and 7 cm. A triangle whose all sides are different is called a scalene triangle.
Also, $3^{2} + 5^{2} \neq 7^{2}$ .
So, the given triangle is a scalene triangle.
Thus, option (a) is correct.

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Similar questions

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The sides of a triangle are 3 cm, 5 cm and 7 cm. Which of these correctly classifies the triangle?

The correct option is A Scalene triangleThe sides of a triangle are 3 cm, 5 cm and 7 cm. A triangle whose all sides are different is called a scalene triangle. Also, 32+52≠72. So, the given triangle is a scalene triangle. Thus, option (a) is correct.

The correct option is A Scalene triangle
The sides of a triangle are 3 cm, 5 cm and 7 cm. A triangle whose all sides are different is called a scalene triangle.
Also, $3^{2} + 5^{2} \neq 7^{2}$ .
So, the given triangle is a scalene triangle.
Thus, option (a) is correct.