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CBSE Class 10 Answered

how to find a corresponding side if one side and perimeters of similar triangles are given?
 
Asked by Harbans Singh | 19 Aug, 2015, 04:37: PM
answered-by-expert Expert Answer
L e t space u s space c o n s i d e r space o n e space e x a m p l e colon Q u s t i o n colon T h e space p e r i m e t e r s space o f space t w o space s i m i l a r space t r i a n g l e s space a r e space 30 space c m space a n d space 20 space c m space r e s p e c t i v e l y. I f space o n e space s i d e space o f space t h e space f i r s t space t r i a n g l e space i s space 12 space c m comma space d e t e r m i n e space t h e space c o r r e s p o n d i n g space s i d e space o f space t h e space s e c o n d space t r i a n g l e. S o l u t i o n colon I n space s i m i l a r space t r i a n g l e s comma space t h e space p e r i m e t e r s space a n d space c o r r e s p o n d i n g space s i d e s space w i l l space b e space i n space t h e space s a m e space r a t i o. T h e space r a t i o space o f space t h e space p e r i m e t e r s equals 30 over 20 equals 3 over 2 T h e r e f o r e comma space t h e space r a t i o space o f space t h e space c o r r e s p o n d i n g space s i d e s equals 12 over x equals 3 over 2 rightwards double arrow x equals fraction numerator 12 cross times 2 over denominator 3 end fraction rightwards double arrow x equals 8 space c m
Answered by Vimala Ramamurthy | 20 Aug, 2015, 08:54: AM

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CBSE 10 - Maths
give answer
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Asked by kumarjogesh746 | 28 Dec, 2022, 07:59: PM
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CBSE 10 - Maths
Answer of the question given below
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Asked by bhu.joshi54 | 04 Jul, 2022, 08:18: PM
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CBSE 10 - Maths
Two angles of a triangle are 70° and 80° The vertices of the triangle are on a circle of radius 3.5cm construct the triangle.
Asked by lijimoljayan | 12 Sep, 2021, 06:26: PM
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CBSE 10 - Maths
question
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Asked by arindeep.singh | 05 Sep, 2020, 10:34: PM
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CBSE 10 - Maths
Using Basic Proportionality Theorem, prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side. [NCERT]
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Asked by kundanstm3963 | 26 Apr, 2020, 09:27: PM
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CBSE 10 - Maths
what is Thales therom
Asked by sharmaanjali06959 | 20 Dec, 2019, 09:00: PM
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CBSE 10 - Maths
in the figure, if de parallel bc and ad = 4x -3 ae = 8x -7 , bd = 3x- 1 and ce = 5x -2fi x.d--
Asked by manshisinha117 | 12 Nov, 2019, 04:51: PM
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CBSE 10 - Maths
In the figure of ∆ABC ,DC ||AB. If AD = 2x ,DC = X +3, BC = 2x-1 and CE =X, then find the value of X.
Asked by sumitkain2016 | 26 Feb, 2019, 01:21: PM
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CBSE 10 - Maths
In three line segments OA, OB and OC,points L,M,Nrespectively are so shosen that LM ll AB and MN ll BC but neither of L, M nor of A,B,C are collinear. Show that LN ll AC.
Asked by gpnkumar0 | 07 Mar, 2018, 09:37: PM
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CBSE 10 - Maths
E and F are points on the sides PQ and PR respectively of a PQR.  State whether EF || QR. PE = 3.9cm, EQ = 3cm, PF =3.6cm and FR = 2.4cm.
Asked by Topperlearning User | 26 Jul, 2017, 01:40: PM
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