Question
The area of the rectangular field is 800 m² and its
perimeter is 104 m. Find how much percent less the breadth of the field is compared to the length of the field?Solution
ATQ,
Given: Area = 800 m² Perimeter = 104 m Let length = L, breadth = B 2(L + B) = 104 → L + B = 52 → L = 52 − B L × B = 800 → (52 − B) × B = 800 → 52B − B² = 800 → B² − 52B + 800 = 0 Discriminant = 52² − 4×800 = 2704 − 3200 = −496 Hence, Can’t be determined — no real solution exists. Given area and perimeter are inconsistent.
Sphagnum is an important bryophyte. Consider the following statements about it:
- It is a chief constituent of peat. ...
What is the chemical name of baking soda?
What is the common characteristic of elements in the same group of the periodic table?
Which polymer is formed by the copolymerization of phenol and formaldehyde?
What is the hybridization of carbon in ethyne (Câ‚‚Hâ‚‚)?
Which of the following substances will turn red litmus paper blue?
Naphthalene balls, commonly used as a pest repellent, are derived from which source?
What is the chemical formula of rust?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
What is the colour of the outer zone of complete combustion of candle flame?