221. The perimeter of a square with side 6 cm is?
- A. 24 cm
- B. None of these
- C. 30 cm
- D. 12 cm
Check answer and explanation
Answer: 24 cm
Explanation Perimeter of a square = 4 × side = 4 × 6 cm = 24 cm
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Answer: 24 cm
Explanation Perimeter of a square = 4 × side = 4 × 6 cm = 24 cm
Answer: 38.5
Explanation 1+2+3+4+5+6+7+8+9+10 = 55 multiply by 7 = 55x7 = 385 as 10 units so divide by 10 to find averages value= 385/10= 38.5.
Answer: Isosceles
Explanation Answer: Isosceles In geometry, an isosceles triangle is a triangle whose two sides are the same length. Two sides of exactly the same length may be given, or at least two sides of equal length may be given. The latter version includes an equilateral triangle as a special case.
Answer: 7.2
Explanation Speed =distance/time =>speed = (600/300) x (18/5) =7.2 km/hr
Answer: 3201506056
Explanation million 1,000,000 billion 1,000,000,000 trillion 1 with 12 zeros
Answer: 1225
Explanation The square of a number is the result of multiplying the number by itself. In this case, 35 squared (written as 35²) is equal to 35 × 35 = 1225 .
Answer: 5%
Explanation To find the percentage, divide 36 by 720 and multiply by 100: (36 ÷ 720) × 100 = 5%
Answer: 30 men
Explanation There is a meal for 200 children 150 children have taken the meal Remaining meal is to be catered to 50 children Now, 200 children = 120 men ∴ 50 children =(120200×50) men =30 men
Answer: h<−2
Explanation For the parabola y^2 = −4x, three normals can be drawn from a point (h, 2) to the parabola only if h < −2. This condition ensures that the point lies in the correct region where three normals are possible.
Answer: log1
Explanation Answer: Log1 When two logs are being subtracted from each other, it is the same thing as dividing two logs together. Remember that to use this rule, the logs must have the same base in this case.
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