Question
Which of the following are damaging stage of
Aphid?Solution
Both adults and nymphs of aphids are damaging as they both actively feed on plant sap, reducing plant vigour and potentially transmitting plant viruses.
In a Pentagon ABCDE, ∠A = 110° and ∠B = 140° and ∠D = ∠E. Side AB and DC were extended and meet at the point P such that ∠BP...
The length of the diagonal of a rectangle is 25 cm, and the ratio of its length to its breadth is 4:3. Find the area of the rectangle.
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 72 cm 2 , then the area of ∆BDG is?
If I is the incentre of ΔABC , if ∠BAC = 650 , then what is the measure of ∠BIC?
- ABCD is cyclic quadrilateral in which A = 72º and B = 105º What is the difference between the measures of C and D?
In ∆ABC , G is the centroid , AB = 8 cm, BC= 10 cm and AC = 12 cm , find GD, where D is the mid-point of BC?
The lengths of three medians in a triangles are 21 cm, 28 cm, 35 cm. What is the area of that traingle (in cm 2 )?
In triangle GHI, a point J lies on side HI such that ∠GJH = ∠GJI. If GH = 50 cm, GI = 30 cm, and HI = 40 cm, find the length of HJ.
Find the difference between angle and its complement if the angle is three-seventh of its complement.
