two buildings are 20 m and 25 high if the buildings are 12 m apart find distance between their tops
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Answer:
13m
Step-by-step explanation:
Look at the figure below
We see that DE=5m
and CB=12m
We also see that AEBC is a rectangle so AE=12m
We can use the pythagorean theorem here
\We get AE²+DE²=AD²
12²+5²=AD²
144+25=AD²
169=AD²
AD=13m
Ans is 13 m
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