Question

40.In an isosceles triangle ABC, if AB AC -25 and BC = 14 cm, then the measure of altitude from A on BC is​

Answer 1

Answer:

ABC is an isosceles triangle with AB = AC. Altitudes are drawn to the sides AB and AC from vertices B and C. One altitude CF is found to be 4 cm and BC = 5 cm. 

Then in triangle BFC the angle BFC =90

Then BF2=BC2−CF2=(5)2−(4)2=9⇒BF=3

In triangle BEF & triange BFC are similler 

Then EC=BF=3

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Answer 2

Step-by-step explanation:

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