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<html><body><h2 id="content-id-1837650924-2"><b>Mensuration 3D Questions Overview</b></h2><p>Mensuration 3D Questions have a good weightage in the Ssc Chsl Exam and the type of question asked in Ssc Chsl exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Mensuration 3D Questions.</p><h2 id="content-id-3021679854-3"><b>Question On Mensuration 3D </b></h2>The diameter of the base of a right circular cone is 20 cm and its slant height is 10.5 cm. What is the curved surface area (in cm2) of the right circular cone? [Use π = (22over7)]
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Easy </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 36 Seconds </h3></div></div><h2 id="content-id-7806329451-4"><b> Mensuration 3D Questions Options</b></h2><ol><li><p>495</p>
</li><li><p>660</p>
</li><li><p>330</p>
</li><li><p>165</p>
</li></ol> <h2 id="content-id-1768205439-5"><b> Mensuration 3D Questions Solution</b></h2><p>The correct answer is <strong>option 3</strong> i.e. <strong>330</strong>.</p>

<p>The diameter of the base of a right circular cone = 20 cm</p>

<p>The slant height (l) = 10.5 cm</p>

<p>Radius of the cone (r) = Diameter/2 = 20/2 = 10 cm</p>

<p>The curved surface area = πrl = (22/7) × 10 × 10.5 = 330 cm<sup>2</sup></p>

<p>Therefore, the curved surface area of the right circular cone is 330 cm<sup>2</sup>.</p>
<h2 id="content-id-2385164079-6"><b> Mensuration 3D Questions Tips and Tricks</b></h2><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Mensuration_3D_Questions_Tips_and_Tricks.png" alt="Mensuration 3D Questions Tips and Tricks" height="260" width="480"><ol><li>Try to solve Mensuration 3D Questions without taking any help from the solutions.</li><li>Mensuration 3D Questions require proper usage of concept so firstly read the question thoroughly and then use the right concept. </li><li>In case you're not able to solve the question in less than 30 seconds in the exam then you should skip the question and move to the next question.</li></ol><h3><b>Daily Current Affairs </b></h3><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Daily_Current_Affairs.png" alt="Daily Current Affairs" height="260" width="480"><p>KD Live is providing Current Affairs on a daily basis for SSC and a current affairs quiz too for the practice. 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The correct answer is option 3 i.e. 330 - Mensuration 3D Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

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