Question

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A hand fan is made by stitching 10 equal size triangular strips of two different types of paper. The dimensions of equal strips are 25 cm, 25 cm and 14cm, find the area of
each type of paper needed to make the hand fan.

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Answer 1

Answer:

The dimensions of equal strips are 25 cm, 25 cm and 14 cm.  

Then area of each strip=  

s(s−a)(s−b)(s−3)  

=  

32(32−25)(32−25)(32−14)  

=  

32×7×7×18

 

=168

Then total the area of each type of paper needed=168×5=840cm  

Step-by-step explanation:

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