wall. Find the height at which the top of the ladder reaches the wall.
12cm
4. In the given figure,
AB = 5 cm, BM = 3 cm, AC = 12 cm. Calculate MC.
a.
1
b. AB = 10 cm, BM = 6 cm, AC = 17 cm. Calculate BC.
B
See M
Answers
Answered by
2
In △ADC,
AD
2
+AC
2
=CD
2
9
2
+AC
2
=15
2
AC
2
=225−81
AC=12 m
In △BEC,
EC
2
=BC
2
+BE
2
15
2
=12
2
+BC
2
225−144=BC
2
BC=9 m
Width of the road = AC+BC = 12+9 = 21 m
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