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Grade 1010 grade maths

In the given fig., MN || AB. Find AM.
Measures given below:
BN=3cm, NC=7cm, MC=10.5cm.

Question image for In the given fig., MN || AB . Find AM . Measures
Profile image of Aswin Sujith
10 Years agoGrade 10
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2 Answers

Profile image of Aswin Sujith
10 Years ago
By Basic Proportionality Theorem we can write, 
BN/NC AM/MC
\therefore 3/AM/10.5
Hence, after calculations we can write,
 
AM=3x10.5/7
AM4.4cm
 
Answer: 4.4 cm
This answer published is verified and answered by Mathematical Experts of IUPUE, India.
 
 
       
 
 
Profile image of sanju Ramanathan
10 Years ago
as mn is parallel to ab
​​ by basic proportionality theorem ,
cm/am=cn/bn
10.5/am=7/3
am=10.5*3/7  am=4.5