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Question

AMTANEln AMT,AM=6.3 cm,TAM= 50,AT=5.6 cmAMAH=75 Construct AHE.

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Solution

Analysis:
As shown in the figure,
Let AHM and AET.
AMTAHE. [Given]
TAMEAH... [Corresponding angles of similar triangles]AMAH=MTHE=ATAE. (i) [Corresponding sides of similar triangles]
But, AMAH=75 (ii)[Given]
AMAH=MTHE=ATAH=75[ From (i) and (ii)]
Sides of AAMT are longer than corresponding sides of AHE.
The length of side AH will be equal to 5 parts out of 7 equal parts of side AM.

So, if we construct AAMT, point H will be on sideAM, at a distance equal to 5 parts from A. Now, point E is the point of intersection of ray AT and a line throughH, parallel to MT. AHE is the required triangle similar to AMT.
Steps of construction:
i. Draw AMT of given measure. Draw ray AB making an acute angle with side AM.
ii. Taking convenient distance on the compass, mark 7 points A1, A2, A3, A4, A5,Ag and A7, such that AA1=A1 A2= A2 A3=A3 A4=A4 A5=A5 A6=A6 A7
iii. Join A7M. Draw line parallel to A7M through A5 to intersects seg AM at Hs
iv. Draw a line parallel to side TM through H. Name the point of intersection of this line and seg AT as E.
AHE is the required triangle similar to AMT.

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