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An umbrella is made by stitching …

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An umbrella is made by stitching 10 triangular pieces of cloth of two different colours each piece measuring 20 CM 50 cm 50 cm how much cloth of each colour is required for the umbrella

Posted by Ashvin Singh 3 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Aman Dhanoa 3 years, 1 month ago

Sides of triangular cloth a=20cm , b=50cm, c= 50cm S=20+50+50/2 = 120/2 = 60cm Area of triangle = use heron's formula here That is ::: root s( s-a) ( s- b) ( s- c) Put the value of s , a , b and c And your answer will be 200root 6cmsquare Area of 5 triangular pieces of one colour = 5×200 root6= 1000root6cm square Area of 5 pieces of other colour= 5×200 root6= 1000root 6 square I hope this is clear to you

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