Question
(11.99)2 + 171.16 + (3.33) 2 =
?2Â What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)ÂSolution
ATQ, (11.99)2 + 171.16 + (3.33)2 = ?2 Or, 122 + 171 + 32 ~ ?2 Or, 144 + 171 + 9 ~ ?2 Or, 324 ~ ?2 Or, ? ~ ± 18
- In a ΔPQR, PS is the angle bisector of ∠RPQ. If PQ = 12 cm, RP = 21 cm and QR = 22 cm. Find the length of QS.
The perimeter of a rectangle is 100 m, and its diagonal is 41 m. Find the area of the rectangle.
A and B are the centres of two circles with radii 11 cm and 6 cm respectively. A common tangent touches these circles at P & Q respectively. If AB =...
In the given figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the ci...
A triangular field has sides 13 m, 14 m, and 15 m. A well with a diameter of 7 m is dug outside the field. If the entire soil dug from the well is used ...
If I is the incentre of ΔABC , if ∠ BIC = 1200 , then what is the measure of ∠ BAC?
In the given figure, ABC is a right angled triangle. ∠ABC = 90 0and ∠ACB = 60 0. If the radius of the smaller circle is 2 cm...
The radius of a sphere is 12cm. The surface of the sphere is what percent of its volume
The length of the each side of an equilateral triangle is 28√3 cm . The area of circumcircle, (cm 2 ) is
- Two chords, AB and CD, of a circle intersect at an external point E. Given that the lengths of BE and DE are 12 cm and 8 cm, respectively, and the total le...
Relevant for Exams:
