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P6 Mathematics

Question post on Mon, 26/03/2018 4:52pm

Need help.Tks!

alfretztay · Answer 1 · Post on Fri, 13/04/2018 8:11pm

perimeter of the shaded part = 18.87 + 6 + (1/4) x 3.14 x 10 x 2 = 40.57

area of the shaded part = (1/4) x 3.14 x 10 x 10 – (1/2) x 10 x 10 + (1/2) x 6 x 10 = 58.5

Ans : perimeter of the shaded part = 40.57 cm; area of the shaded part = 58.5 sq cm.

Owlinker · Answer 2 · Post on Wed, 28/03/2018 11:13am

Hope this answers your question.

Owlinker · Answer 3 · Post on Wed, 28/03/2018 11:13am

Owlinker

Post on Wed, 28/03/2018 11:13am

Hope this answers your question.

Khong Pek Mao · Answer 4 · Post on Tue, 27/03/2018 12:20am

This is a Geometry question.

	Quadrant	Line	Line	Total
Length	15.7	18.87	6	40.57

2 x 10 x 3.14 x 1/4 = 15.7

15.7 + 18.87 + 6 = 40.57 cm (Perimeter)

	Square	Quadrant	Boomerang	Triangle
Area	100	78.5	21.5	80

10 x 10 = 100

10 x 10 x 3.14 x 1/4 = 78.5

100 – 78.5 = 21.5

1/2 x 10 x 16 = 80

80 – 21.5 = 58.5 cm2