angle BTA is right angled at vertex A.If AT =12 cm ,AB =16 cm, .Find BT
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20 cm is the answer
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AT=12cm
AB=16cm
BT=?
∆BTA is a right angled triangle
∆BTA= 90°
By pythagoras theorem,
=) BT^2=AT^2+AB^2
=) BT^2=12^2+16^2
=) BT^2=144+256
=) BT^2=400
Taking sq. root
=) BT=√400
=) BT = 20 cm
∴ The value of BT is 20cm.
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