Solutions of Right Triangles Class-9 Concise Selina ICSE Maths
Solutions of Right Triangles Class-9 Concise Selina ICSE Mathematics Solutions Chapter-24 . We provide step by step Solutions of Exercise / lesson-24 Solutions of Right Triangles for ICSE Class-9 Concise Selina Mathematics by R K Bansal.
Our Solutions contain all type Questions with Exercise-24, to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-9 Mathematics .
Solutions of Right Triangles Class-9 Concise Selina ICSE Mathematics Solutions Chapter-24
Fin ‘x’ if:
Find angle ‘A’ if:
Find angle ‘x’ if:
Find AD, if:
Find the length of AD.
Given: ABC = 60o.
DBC = 45o
And BC = 40 cm
Find the lengths of diagonals AC and BD. Given AB = 60 cm and BAD = 60o.
Thus AB = AC + CD + BD = 54.64 cm.
In trapezium ABCD, as shown, AB // DC, AD = DC = BC = 20 cm and A = 60o. Find:
(i) length of AB
(ii) distance between AB and DC.
First draw two perpendiculars to AB from the point D and C respectively. Since AB|| CD therefore PMCD will be a rectangle.
Consider the figure,
Use the information given to find the length of AB.
Find the length of AB.
In the given figure, AB and EC are parallel to each other. Sides AD and BC are 2 cm each and are perpendicular to AB
Given that AED = 60o and ACD = 45o. Calculate:
(i) AB(ii) AC(iii) AE
In the given figure, ∠B = 60° , AB = 16 cm and BC = 23 cm,
(i) BE (ii) AC
In right-angled triangle ABC; B = 90o. Find the magnitude of angle A, if:
(i) AB is √3 times of BC.
(ii) BC is √3 times of AB.
A ladder is placed against a vertical tower. If the ladder makes an angle of 30o with the ground and reaches upto a height of 15 m of the tower; find length of the ladder.
Given that the ladder makes an angle of 30o with the ground and reaches upto a height of 15 m of the tower which is shown in the figure below:
A kite is attached to a 100 m long string. Find the greatest height reached by the kite when its string makes an angles of 60o with the level ground.
Find AB and BC, if:
Find PQ, if AB = 150 m, P = 30o and Q = 45o.
If tan xo =, 5 /12
tan yo = 3/4 and AB = 48 m; find the length of CD
The perimeter of a rhombus is 96 cm and obtuse angle of it is 120o. Find the lengths of its diagonals.
We also know that in rhombus diagonals bisect each other perpendicularly and diagonal bisect the angle at vertex.
Hence POR is a right angle triangle and
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