is 6.5 the multiplicative inverse of -6 whole 2/5.why
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Answer:
The figre is drawn in the picture.
Area of ΔABC=10.5cm^2
and AD=4.1cm.
Step-by-step explanation:
It is given that,
AB=5cm and AC=12cm
In ΔABC, by Pythagoras theorem, we have:
BC^2 = AB^2+AC^2
BC^2= 5^2 + 12^2=25+144= 169
BC= 13cm
Since, AD is perpendicular to BC
So, BD=DC=6.5cm =BC/2
Now, In ΔADB, by Pythagoras theorem, we have:
AB^2= AD^2+AB^2
5^2=AD^2+6.5^2
AD^2=42.25-25=17.25cm
AD= 4.15cm
Therefore, area of ΔABC= 1/2xAbxAD
=1/2x5x4.1=10.5cm^2 .
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Multiplicative inverse is a number with which if you multiply you get 1. Example- multiplicative inverse of
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