Question
The first confirmed occurrence of herbicide resistant
strain of a weed species in US was associated withSolution
First case of herbicide resistance was observed in 1969 in Senecio vulgaris (Common groundsel) to triazines in USA.
The altitude of an equilateral triangle is 6√3 cm. Find the area of the equilateral triangle.
The area of a triangle is 480 cm² and the ratio of its sides is 10: 24: 26. What is the perimeter of the triangle?
In a ∆ABC, angle BAC = 90°. If BC = 25 cm, then what is the length of the median AD?
The parallel sides of a trapezium and its height are in an arithmetic progression with a common difference of 4. If the height is the highest term and t...
A right-angled triangle has one leg of 12 cm and the hypotenuse of 13 cm. Find the length of the other leg.
- What is the average of the first eight triangular numbers?
The perimeter of an equilateral triangle is 48√3 cm. Find its height.
Given a right-angled triangle with the perpendicular measuring 36 cm and the base measuring 48 cm, determine the length of the shortest median of the tr...
In a ΔDEF, ∠D = 45°, ∠E = 2∠F. What is the value of ∠F?
- Find the distance between the parallel sides of a trapezium whose area is 315 cm² and the lengths of the parallel sides are 15 cm and 21 cm respectively.
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