, then the value of z is
Ans 1:
Class : Class 8
Answer is C. a^2 ÷ 2
Because diagonals of a square are equal. And area of rhombus formula can be used here because both have all sides equal.
Area of rhombus= 1/2(diagonal 1 × diagonal 2)
Because diagonals are equal, we write it as :
a × a÷ 2
=a^2 ÷2
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Ans 1:
Class : Class 8
Since triangle ABD is congruent to triangle ACD by SSS rule, so the altitude will also be the same. Which means BE=EC, as these are the altitudes of the triangles.
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Ans 3:
Class : Class 4
Answer is B),how? Because the first line mentions that the forth digit is the greatest digit which is nine so option A) and option C) cannot be the answer. The second line mentions that the first digit is double of the number two so option D) cannot be the answer. So the answer is B)
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Ans 5:
Class : Class 2
The correct answer is Bð¨âð©âð§ð¨âð¨âð§ððð»ð¼ð½ððð¿ð¹ð¸ðð¤