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23.
28.
[Probability]
[Area]
*
Find the area of the shaded region below.
How many different two digit, even numbers
can be made using the digits 1,2,3 and 4 if the
digits can not be repeated?
(Use 1t
t
[Completethe tree diagram belowto help solve the problem.]
Start
~
/I~
3 4
2
Last digit
1
First digit
272)
""
4
/I~
123
24.5 in.2
9 in.
29.
[Volume]
*
Write a formula for the volume V of the
rectangular prism below.
Area
24.
=y2
y+l
[Geometry]
I have three squares and two triangles all of
which have side lengths of 4 em. I attempt to
form a net for a polyhedron by taping the
shapes together along their edges. If this can
be done, into what shape will the net fold?
v = y2(y + 1)
30.
[Surface Area]
*
The surface area of a sphere is 41tr2. Write a
formula for the surface area of the solid
hemisphere below.
D~?
[Leave your answer as a multiple of1t.]
Triangular prism
S.A.
25.
[Angles]
*
31.
Find the value of xc.
[Pythagorean
Theorem
/ Trigonometry]
= 31t(
2
*
Find the height of the equilateral triangle
below.
26.
[Measurement
[Give your answer as a radical.]
/Time]
How many grams are there in H' kilograms?
32.
[Problem Solving 1]
*
If each letter represents a different digit, none
of which is zero, find the value of the number
1000 W g
[Clue SOS = 323]
"DANGER".
27.
[Perimeter]
*
Write a formula for the perimeter P of the shape
below.
+
[Leave your answer as a multi pie of 1t.]
o
D
r
33.
[Problem Solving 2]
*
What are the last two digits
in the expansion of 62004?
Whrte [email protected]
page 62
CROSS
ROADS
DANGER
COP'inght. Not to be reproduced
wrthout permISsion.
J. S. Wright - Echuca 2004
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