1) Given a right triangle ABC, AB=8 and BC=5, find the square of AC (i.e. AC2 = ?) a) 45 b) 39 c) 49 d) 64 e) 81 f) 25 2) Could a right triangle have sides: 3, 4, 5? a) yes b) no 3) Given a right triangle ABC, in which AC=3, BC=4. Determine the length of AB. a) 6 b) 8 c) 9 d) 5 e) 2 f) 7 4) Given a right triangle ABC, C=90° in which AC=7, AB=25. Determine the length of BC. a) 576 b) 18 c) 19 d) 30 e) 26 f) 24 5) Given a right triangle ABC, ∠C=90 , in which AC=8, BC=15. Determine the length of AB. a) 17 b) 19 c) 16 d) 9 e) 23 f) 13 6) A company must stretch a cable from the top of a tower that is 25 meters high to a point 50 meters away from the base of the tower.Calculate the length of the cable. a) 51.5 b) 50.5 c) 55.5 d) 55.3 e) 55.9 f) 55 7) a tree projects a shade that is 2.5 meters of length. The distance from the tree top to the most distant end of the shade is 4 meters. What is height of the tree? a) 3.9 b) 3.12 c) 5 d) 2 e) 1.5 f) 1.9 8) If the hypotenuse of a right-angled triangle is 10cm and one of the other sides is 6cm, what is the length of the third side? a) 16 cm b) 13 cm c) 19 cm d) 6 cm e) 8 cm f) 9 cm

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