GEO: 9-1 QC ... Part 2 (kite & rhombus)
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11. The area of the rhombus below is 80x2 mm2. Find the length of d2. 9.1.2 d1=16x mm d2 = d2=? mm  9.1.2 12. Find the area of the kite drawn above. AE = 2, CE =12 and CD = 13 as drawn above. 2 in A B D E 13 in in2 12 in C 9.1.2 13. Find the area of the kite above. 45a2 units2 22.5a3 units2 A B D d2=3a2 22.5a2 units2 45a3 units2 d1=15a C  9.1.2 14. Find the perimeter of the rhombus. The lengthsof the diagonals are 16y and 12y. Perimeter = in hint: the diagonals of a rhombus bisect each other. 192 in2 96 in2 96y2 in2 192y2 in2 9.1.2 15. Find the area of the rhombus. The length of the diagonals are given. 16. Find the area of a square that has a side length equal to (4x + 3) units. (16x2 + 9) units2 (16x2 + 24x + 9) units2 (8x2 + 12x + 9) units2 (16x2 + 12x + 9) units2 (4x + 3)  9.1.1 17. Which expression below represents the area of the kite with the given dimensions? The lengths of the whole diagonals are given below. (4x2 + 2x - 12) units2 (2x2 + 7x - 6) units2 (2x2 - 2x - 12) units2 (2x2 + x - 6) units2 (4x - 6) (x + 2)  18. What is the area of a kite with diagonal lengths of (2x + 8) cm and (3x - 10) cm? (6x2 + 44x - 80) cm2 (6x2 + 4x - 80) cm2 (3x2 + 2x - 40) cm2 (3x2 - 2x - 40) cm2 |
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