A piano has 88 keys. A piano repair shop has 4 broken pianos in the shop, some keys went missing. How many piano keys are in the
1 answer:
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Answer:
- We're provided the figure of trapezium in which 2 m and 7m are the opposite parallel sides and 10m is the height.
- The formula to found out the area of a trapezium is
where h is the height and a & b are the opposite parallel sides .
- Plug the values & then simplify!
- Hence , The required answer is <u>45</u> square meters .
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