find . In isosceles trapezoid HJKL, JK || HL. If mH = 450, JK= 6 cm, and the length of an altitude is 4 the exact perimeter of HJKL. cm, 10. a. (20 4v2) cm b. (20+ 8y2) cm . (20+ 4 3) cm d. (20+ 8 3) cm

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