Question

5. The side of an equilateral triangle is 16 cm. Find the length of its altitude​

Answer 1

Answer:

Hey Buddy!!!

by drawing altitude AD to a triangle ABC

so we get an right angled triangle ADC right angle at D

so, AC=16, CD=8 and let AD=x

then b pythagoras thorem we get 16²=x²+8²

                                                     256=x²+64

                                                     x²=256-64

                                                     x=√192

                                                     x=8√3cm

therefore, length of the altitude = 8√3 cms

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