Question
8 students appear in an examination. In how many ways
can the result be announced?Solution
Each students can either pass or fail So there exists two possibilities for each students. So total number of ways = 2⸠= 256
The length of the each side of an equilateral triangle is 7â3 cm . The area of circumcircle, (cm 2 ) is
If G is the centroid and AD, BE, CF are three medians of âABCwith area 24 cm 2 , then the area of âCGD is?
- If two circles of radii 'R' and 'r' cm intersect each other externally at one point, then which of the following is true?
If O is circumcentre of acute angled triangle ABC, if â Â OBC = 180 then â BAC = ?
If I is the incentre of ÎABC , if â BAC = 750 , then what is the measure of â BIC?
If the ratio of side of a â is 3:4:5, and a â´ from opposite vertex drawn to the biggest sides at D, if the length of biggest side is 10 then find ra...
In âABC, AB = 5cm, BC = 10cm, and AC = 13cm then find out the value of cos A.
A rectangle with a diagonal of length 28m is inscribed in a circle. Find the area of a circle?
In the figure BD = CD = AC, â ABC = 27 ° , â ACD = y. Find value of x.
If O is the orthocentre of ÎABC , if â BOC = 1000 then what is the measure of â BAC?
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