# Exam

Exam

1.- The hypotenuse of a triangle, whose catheti measure 5 and 12 cm, measures:

 a) 5 cm b) 13 cm c) 10.9 cm d) None of them

2.- A triangle has a cathetus of 20 m and the hypotenuse of 25 m. The other cathetus measures:

 a) 32 m b) 22 m c) 15 m d) None f them

3.- If Amelia is 162 cm tall, the height of the lampost is:

 a) 2 m b) 2,5 m c) 2,6 m d) 2,7 m

4.- The area of this figure is:

 a) 16 m2 b) 20 m2 c) 15 m2 d) 18 m2

5.- The total area of this cone is:

 a) 74 cm2 b) 73.15 cm2 c) 70.18 cm2 d) 75.39 cm2

6.- And its volume is:

 a) 37.7 cm3 b) 36.57 cm3 c) 31.28 cm3 d) 50.7 cm3

7.- A swimming pool is 8 m long, 6 m wide and 1.5 m deep. The water resistant paint needed for the pool costs 6 €/m2.How much will it cost to paint the interior surface of the pool?

 a) 420 € b) 480 € c) 540 € d) 600 €

8.- How many litres of water will be needed to fill the swimming pool?

 a) 70000 l b) 72000 l c) 152000 l d) 40000 l

9.- The volume of this prism, whose base is a rhombus, is:

 a) 1540 cm3 b) 1592 cm3 c) 1008 cm3 d) 1438 cm3

10.- A square pyramid has a height of 3 m and the side of the base measures 8 m. Its total area is:

 a) 160 m2 b) 108 m2 c) 144 m2 d) 230 m2

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