In the adjoining figure all measurements are in cm of Ad is perpendicular to BC find the length of AB
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Answer:
AB= 6.1 cm
Step-by-step explanation:
In △ADC
AD
2
+DC
2
=AC
2
DC
2
=25
2
−5
2
=625−25
=600
DC=
600
=24.495
BD=BC−DC
=28−24.495
=3.505
In △ADB∠ADB=90
AB
2
=AD
2
+BD
2
=5
2
+(3.505)
2
AB
2
=37.285
AB=6.1cm
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