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Earn 100

Observe the shapes.

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count objects of these shapes and write their numbers.

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Important Questions on What is Long? What is Round? : Shapes

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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
What is the area of a triangle whose sides are 7 cm, 24 cm and 25 cm?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In ∆ABC, ∠A=90°, M is the midpoint of BC and D is the point on BC such that AD⊥BC. If AB=7cm and AC=24cm, then AD:AM is equal to?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In ΔABC, AB=c cm, AC=b cm and CB = a cm. If ∠A=2∠B , then which of the following is true?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
The sum of all the three sides of an equilateral triangle is 153 cm. The height of the triangle is_____.
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
The side of an equilateral triangle is 10 cm. Find its area (in cm2).
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In a right-angled triangle ABC right angled at C, sin A=sin B. What is the value of cos A?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
The sum of interior angles of a regular polygon is 1260°. What is the difference between an exterior angle and an interior angle of the polygon:
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
Triangles ABC and DBC are right-angled triangles with common hypotenuse BC, BD, and AC intersect at P when produced. If PA=8 cm, PC=4 cm and PD=3.2 cm, then the length of BD in cm is:
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
∆DEF is right angled at E. If m ∠F=30o, then find the value of cosD-12.
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
For a Right angled triangle, two connected sides are 1.5 & 2 cm. Find the area of circumcircle? 
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
What is the perimeter of a right-angled triangle whose sides (making 90°) are 203 cm and 153 cm?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
 The exterior angle of a regular polygon is 72°. What would be the sum of all its interior angles?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In triangle ABC, if ∠B=90°, AB=21 cm and BC=20 cm, then 1+sinA-cosA1+sinA+cosA is equal to:
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
BD and CE are the medians of △ABC, right angles at A. If CE =5132 cm, BC =10 cm, then the length of BD is ____.
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
∆ABC is an equilateral triangle with side 18 cm.D is a point on BC such that BD=13BC . Then length (in cm) of A D is:
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us

The number of sides of two regular polygons is in the ratio 5 : 4. The difference between their interior angles is 9°. Consider the following statements:

1) One of them is a pentagon and the other is a rectangle.

2) One of them is a decagon and the other is an octagon.

3) The sum of their exterior angles is 720°.

Which of the above statements is/are correct?

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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
Point M and N are on the sides PQ and QR respectively of a triangle PQR, right angled at Q. If PN=9 cm, MR=7cm, and MN = 3 cm, then find the length of PR (in cm).
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In ∆PQR measure of angle Q is 90o. If tan P=247 and PQ =14cm, then what is the length of side QR in cm.
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us
In △ABC, the measure of angle ∠ABC is 90°. If tanA=125, and AB=1 cm, then what is the length (in cm) of side BC?
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Mathematics>Geometry>What is Long? What is Round? : Shapes>Shapes Around Us

If the interior angle of a regularpolygon is 108°, then it is a-

1. Octagon

2. Hexagon

3. Pentagon

4. Tetragon