Question
Which of the following is an allotrope of carbon with a
structure composed entirely of carbon atoms?Solution
Fullerene (C60) represents a carbon allotrope characterized by a structure composed exclusively of carbon atoms arranged in a spheroidal hollow cage formation. By contrast, dry ice is solid carbon dioxide, Teflon is a fluorine-containing polymer, and keratin is a naturally occurring protein produced by the body.
If angle between two sides of 3 cm & 2 cm of a triangle is 30°. what is the area of the triangle ?
What will be circumradius of a right angle triangle whose base is 9 cm & height is 40 cm ?
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.
If in a right angle triangle ABC, Angle B is a right angle. AB = 8 cm, BC= 15cm if BD is perpendicular to AC find the length of BD?Â
If I is the incentre of ΔABC , if ∠ BIC = 1200 , then what is the measure of ∠ BAC?
In parallelogram ABCD, point E is located on side AB, and line segment DE is drawn perpendicular to AB. Given that AD measures 5 cm, AB is 12 cm, and AE...
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?
At the centre of a circle of 20 cm radius, the angle made by an arc of 24(4/9) cm length is
Find the area of triangle having sides 7m, 8m, and 9m.
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