Find the area of a triangle two of which are 11cm and 10cm and the perimeter is 42cm with steps
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Answer: 105cm sqaure
Step-by-step explanation:
11+10+x=42
21+x=42
x=42-21
x=21 cm
area= 21*10/2
21*5= 105cm sqaure
Answered by
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Step-by-step explanation:
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