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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Find the area of a triangle whose vertices are given as (1, – 1) (– 4, 6) and (– 3, – 5).

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 8 (b)

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Deepak BoraNewbie

Asked: August 9, 2020In: CBSE

A right triangle whose sides are 15 cm and 20 cm other than hypotenuse, is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

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In given problem choose value of π as found appropriate. This is one of the important question from the cbse board ...Read more

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

Obtain other zeroes of the polynomial p(x) = 2x∧4 – x∧3 – 11x∧2 + 5x + 5 if two of its zeores are √5 and − √5 .

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 35 ...Read more

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Deepak BoraNewbie

Asked: August 3, 2020In: CBSE

Two cubes each of volume 27 cm³ are joined end to end to form a solid. Find the surface area of the resulting cuboid.

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This an important question for the cbse and ncert exam. question from RS Aggarwal book, Mensuration chapter, Volume and Surface ...Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Check whether 12∧n can end with the digit 0 for any natural number n. 12∧n = (2 × 2 × 3)∧n

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 22 ...Read more

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

If A, B and C are interior angles of a ΔABC, then show that cos[ (B + C) / 2 ] = sin (A/2)

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 23Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

In the given figure, the angle of elevation of the top of a tower from a point C on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 16Read more

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Find the area of a triangle whose vertices are given as (1, – 1) (– 4, 6) and (– 3, – 5).

A right triangle whose sides are 15 cm and 20 cm other than hypotenuse, is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

Obtain other zeroes of the polynomial p(x) = 2x∧4 – x∧3 – 11x∧2 + 5x + 5 if two of its zeores are √5 and − √5 .

Two cubes each of volume 27 cm³ are joined end to end to form a solid. Find the surface area of the resulting cuboid.

Check whether 12∧n can end with the digit 0 for any natural number n. 12∧n = (2 × 2 × 3)∧n

If A, B and C are interior angles of a ΔABC, then show that cos[ (B + C) / 2 ] = sin (A/2)

In the given figure, the angle of elevation of the top of a tower from a point C on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.