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shusha [124]
4 years ago
7

What is 65% of 400?​

Mathematics
2 answers:
Juli2301 [7.4K]4 years ago
7 0

Answer:

260

Step-by-step explanation:

Write 65% as

65/100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have

65/100 of 400 = 65/100 × 400

=260

erma4kov [3.2K]4 years ago
6 0

Answer:

........................ 260

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In a building there are 30 cylindrical pillars. The radius of each pillar is 42 m and height is 7 m. Find the total cost of pain
SashulF [63]

Answer:

The total cost of painting the curved surface area of all pillars at the rate of Rs 10 per square meter is Rs.554400.

Step-by-step explanation:

Given : In a building there are 30 cylindrical pillars. The radius of each pillar is 42 m and height is 7 m.

To find : The total cost of painting the curved surface area of all pillars at the rate of Rs 10 per square meter ?

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Therefore, the total cost of painting the curved surface area of all pillars at the rate of Rs 10 per square meter is Rs.554400.

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<h2>Answer:</h2>

This is a theorem called Converse of Alternate Exterior Angles that states that <em>if two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel</em>. Moreover, this theorem is based upon the corresponding Angles Converse Postulate that states that<em> if two lines are cut by a transversal and corresponding angles are congruent, then the lines are parallel. </em>We don't need to prove this postulate, it's assume to be true. So our goal is to get corresponding angles congruent in order to use the corresponding Angles Converse Postulate,

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Reason: Given  

Statement: \angle1\cong\angle2

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Reason: Def of vertical \angle s

Statement: \angle1\:and\:\angle3 \ are \ vertical

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Reason: Def of vertical \angle s

Statement: \angle1\cong\angle3  

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