PLZ GIVE STEP BY STEP EXPLANATION
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a of triangle ½ bh = ½*20h=80 h= 8
by Pythagoras theorem
h²+eb²=cb² = 64+eb²=100
eb= 6
ac= 14
by Pythagoras theorem
ac²= h²+ae²
ac²=64+36 = 100
ac = 10
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