Diagram 9 shows four lens-shaped region formed by the intersection of four identical circles. PQRS is a square with a side of length 28cm.

Question

Diagram 9 shows four lens-shaped region formed by the intersection of four identical circles. PQRS is a square with a side of length 28cm.

Rajah 9 menunjukkan empat rantau berbentuk lensa yang dihasilkan dengan menyilangkan empat bulatan yang serupa. PQRS ialah sebuah segi empat sama dengan panjang sisi 28cm.

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

Using π = 22/7, calculate

Gunakan π = 22/7, hitung

(a) the perimeter, in cm, of the shaded region.

perimeter rantau berlorek

(b) the area, in cm², of the shaded region.

luas rantau berlorek

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Answer ( 1 )

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    2021-01-28T01:04:19+08:00

    Answer / Jawapan: (a) 176cm  (b) 448cm²

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