Question

hlo ples solve 106 and 107....
pless its urgent
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Answer 1

∆ABC is right - angled at A.

so, BC is definitely hypotenuse.

let AB is base and AC is altitude of ∆ABC.

given, AB = 6cm , BC = 10cm and AC = 8cm

now, area of triangle ∆ABC = 1/2 × base × altitude

= 1/2 × length of AB × length of AC

= 1/2 × 6cm × 8cm = 24cm²

hence, area of ∆ABC = 24cm²

area of ∆ABC = 1/2 × length of AB × length of AC = 1/2 × length of BC × length of AD

=> 6cm × 8cm = 10cm × length of AD

=> 24/5= length of AD

hence, length of AD square is 23.04 cm ( 4.8 × 4.8)

so a) answer is right ☺️