23. 28. [Probability] [Area] * Find the area of the shaded triangle below. In a Lego toy, some bricks are red, some white and the rest are blue. One brick is chosen at random. If the probability of choosing a red brick is 0.38 and of choosing a white brick is 0.17, what is the probability of choosing a blue brick? 24. - - 7.5 in.2 [Geometry] Sketch and label as many different isosceles triangles as you can in which at least one side is 3 cm long and at least one angle is 30°. [Drawings 29. [Volume]* Find the volume of the pentagonal prism shown. need not be to scale.] ~ base area = 15 em2 3cm 3cm 25. 5 in. ~ 180 em 3 30. [Angles] * [Surface Area] * Find the surface area of the rectangular prism below. Find the value of xo. 20mm 250 mm 64,000 mm 2 I r >=,,",-~"',,-,_"'/h.fi"'c="==-"",7/"'////4"'-WAWW~.-_"";';"',1 26. [Measurement 31. /Time] * How many hours from 8:00 A.M. [Pythagorean one day till Theorem / Trigonometry] * Find the positive solution for c: c2= 0.62 + 0.82 4:00 PM. the next? 32 h 27. 32. [Perimeter] [Problem Solving 1] * 1X3X * Find the perimeter of the window. X 10 1 > 2 X 4 X X 100 True or false? True 33. 130em -- 90 em [Problem Solving 2] * What is the smallest number which is reversed when 2 is added to its double? 440 em WMe 1.2@ Copyright. Not to be reproduced page 6 without permission. J. B. Wright - Echuca 2004