Exam 10: Probability and Counting Techniques

$\text { Find the circumference and area of the circle if } d = 14 \text {. Use } \pi = 3.14$

$\text { Find the perimeter. }$

Which of the following is not a way to name the angle shown? A) $\angle 2$ B) $\angle B$ C) $\angle C B A$ D) $\angle B A C$

Find the area. A) 160 miles $^ { 2 }$ B) 120 miles $^ { 2 }$ C) 240 miles $^ { 2 }$ D) $80 \mathrm { miles } ^ { 2 }$

Find the area. A) $36 \mathrm { in } ^ { 2 }$ B) $9 \mathrm { in } ^ { 2 }$ C) 18 in $^ { 2 }$ D) $81 \mathrm { in } ^ { 2 }$

Which quadrilateral is a rhombus? A) B) C) D)

$\text { Identify the quadrilateral. }$

Use the given right triangle to find $\sin A$ . A) $\sin A = \frac { 3 } { 4 }$ B) $\sin A = \frac { 4 } { 5 }$ C) $\sin A = \frac { 4 } { 3 }$ D) $\sin A = \frac { 3 } { 5 }$

$\text { Identify angles } 2 \text { and } 7 \text { as alternate interior, alternate exterior, corresponding, or vertical. }$

In triangle $A B C$ below, the measure of angle $B$ is $18 ^ { \circ }$ . Find the measure of angle $C$ . The figure is not drawn to scale. A) $57 ^ { \circ }$ B) $72 ^ { \circ }$ C) $162 ^ { \circ }$ D) $142 ^ { \circ }$

$\text { Name the angle in four different ways. }$

A tent is shaped like a pyramid. It has a square base measuring 8 feet on a side and a height of 6 feet. What is the volume of the tent? A) $512 \mathrm { ft } ^ { 3 }$ B) $32 \mathrm { ft } ^ { 3 }$ C) $16 \mathrm { ft } ^ { 3 }$ D) $128 \mathrm { ft } ^ { 3 }$

$\text { Find the circumference of the circle. Use } \pi = 3.14 \text {. }$

Find the perimeter. Assume all angles are right angles and note that the figure is not draw to scale.

$\text { Name the angle in four different ways. }$

How many inches of molding will it take to frame a picture with dimensions 9 × 9 inches if there is to be a 1-inch mat around the picture?

What is the surface on which shapes are drawn in hyperbolic geometry?

How many feet of fence will it take to enclose a rectangular plot 40 feet by 30 feet if an opening of 5 feet is to be left for a gate?