The following lessons are on Geometry and Trigonometry Units

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

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Area of Triangle | Areas Related To Circles | CBSE | Class 10 | Math

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Q4. In an equilateral triangle of side 12 cm, a circle is inscribed touching its sides. Find the area of the portion of the triangle not included in the circle.
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This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||By Shiksha Abhiyan

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Area of Triangle | Areas Related To Circles | CBSE | Class 10 | Math

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Q3. In the given figure, ABC is a right angled triangle, right angled at A, in which AB = 6 cm, BC = 10 cm and I is the incentre of ABC. Find the area of the shaded region.
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Area of Triangle | Areas Related To Circles | CBSE | Class 10 | Math

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Q2. In a circular table cover of radius 42 cm, a design is formed , leaving an equilateral triangle ABC in the middle , as shown in the figure. Find the area of the design.
2:05

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Similar to triangle (Part 5) | Some Applications of Trigonometry | CBSE | Class 10 | Math

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Q4. Sides AB and BC and median AD of a triangle ABC are respectively proportional to sides PQ and QR and median PM of another triangle PQR, as shown in the figure. Prove that triangle ABC is similar to ...
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Similar to triangle (Part 5) | Some Applications of Trigonometry | CBSE | Class 10 | Math

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Q3. A lamp is 3.3m above the ground. A boy 110cm tall walks away from the base of this lamp post at a speed of 0.8 m/s. Find the length of the shadow of the boy after 4 seconds.
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Similar to triangle (Part 5) | Some Applications of Trigonometry | CBSE | Class 10 | Math

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Q2. Through the midpoint M of the side CD of a parallelogram ABCD, the line BM is drawn, intersecting AC in L and AD produced an E. Prove that EL = 2BL.
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Similar to triangle (Part 5) | Some Applications of Trigonometry | CBSE | Class 10 | Math

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Q1. Two right triangles ABC and DBC are drawn ion the same hypotenuse BC and on the same side of BC. If AC and BD intersect at P, prove that AP x PC = BP x PD.
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Area of Triangle | Areas Related To Circles | CBSE | Class 10 | Math

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Q1. Find the area of a right angled triangle, if the radius of its circumcircle is 7.5 cm and the altitude drawn to the hypotenuse is 6 cm long.
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Trigonometry & Geometry Papapodcasts

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KEY CONCEPTS:Complementary Angles = 90Supplementary Angles = 180Opposite Angles = one anotherParallel Lines with a Transverse through it:Corresponding Angles = one another (F-Shape)Co-Interior Angles add up to 180

KEY CONCEPTS:ONLY for RIGHT ANGLED TRIANGLESSOH-CAH-TOASOH - sinA=opp/hypCAH - cosA=adj/hypTOA

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