Question
Find the area of a rhombus. A. Sum of the squares
of the diagonals is 256 m². B. Perimeter of the rhombus is 32 m. C. Ratio of one diagonal and the side is 3:8 Directions – : The following questions are accompanied by three statement A, B and C. you have to determine which statement (s) is /are necessary/ sufficient to answer the question.Solution
If d₁ and d₂ be the diagonals and a the length of the side of the rhombus then From 1: d₁²+ d₂² = 4a² = 256 a² = 64 a = 8
From 2:
From 3: d₁ : a = 3 : 8
Therefore, by combining C and either A or B, a = 8, d₁ = 3 so we can find d₂ by using, d₁²+ d₂² = 4a² then we can find area of rhombus = 1/2 * d1 * d2 Hence by combining C and either A or B are required to answer as A & B are same.
181/8 + 51/4 – 63/8 = ? + 9/2
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.)...
What will come in the place of question mark (?) in the given expression?
? = 60% of 48% of (20 × 350) + 180
(5832)1/3 × 10.11 × 11.97 ÷ 16.32 = ? + 45.022
What will come in the place of question mark (?) in the given expression?
30% of 50% of 1200 = 18/11 × ?
325934.78 + 78545.30 + 92.25 =?
625 × (?% ÷ 125) = 250% of 10
Find the value of 325 × 5 + 31 × 21 – 22 × (63 − 52).
Simplify the following expression:
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