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erik [133]
4 years ago
14

The radius of the circular base of a cone is (3x-2)m. if its slant height is (9x^2 - 6x)m, express the cone’s surface area as fa

ctored polynomial in x.
NOTE: SA= πrs+πr^2
Mathematics
1 answer:
Doss [256]4 years ago
5 0

Answer:

SA= 289.56 m^2

Step-by-step explanation:

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Applying the triangle sum theorem, m∠N = 41°

<h3>What is the Triangle Sum Theorem?</h3>

Triangle sum theorem states that the sum of the three interior angles of any triangle equals 180°.

Given the following interior angles of ΔMNO:

m∠M = (6x+1)°

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Find the value of x:

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  • Substitute

6x+1 + 3x-10 + x+19 = 180

  • Add like terms

10x + 10 = 180

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x = 17

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m∠N = 3(17) - 10

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Learn more about triangle sum theorem on:

brainly.com/question/7696843

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