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Homework 6.8

HOMEWORK 6.81. 9 – 2 ^{3}/_{7}2. Change 4 ^{2}/_{5}% as fraction3. What is the square root of 205209 4. What is the sum of interior angles of an Octagon? 5. What is the size of one angle of a regular decagon? 6. A cube has side 6m, find its lateral area. 7. The area of the square is 81m2, find its side. 8. 43.87 ÷ 1000 = 9. If 3a + 34 = 90, find the value of “a” 10. 800 – 0.008 = 11. -145 – (-957) = 12. Find the area: 13.Find the value of “x” ## Prepared and Added by:## ****** Mr. Yahya M (Badshah) *******
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