Quiz about Revision for Midterm 2

Question 1

What is the sum of the angle measures of a 28-gon?

Accepted Answer

4680

Answer

5400

Answer

5040

Answer

4860

Question 2

The sum of the measures of two exterior angles of a triangle is 263. What is the measure of the third exterior angle?

Accepted Answer

97

Answer

83

Answer

87

Answer

107

Question 3

Find the values of the variables in the parallelogram.

Accepted Answer

$$x=21,\ y=49,\ z=110$$

Answer

$$x=49,\ y=49,\ z=131$$

Answer

$$x=49,\ y=21,\ z=110$$

Answer

$$x=21,\ y=49,\ z=131$$

Question 4

Find AM in the parallelogram if PN =13 and AO = 4.

Accepted Answer

4

Answer

13

Answer

6.5

Answer

8

Question 5

Which description does NOT guarantee that a quadrilateral is a rectangle?

Accepted Answer

a parallelogram with congruent sides

Answer

a quadrilateral with all four angles right

Answer

a quadrilateral with all congruent angles

Answer

a quadrilateral with diagonals that are congruent and bisect each other

Question 6

In the rhombus, $$m\angle1=18x,\ m\angle2=x+y$$ and $$m\angle3=30z$$ .

Find the value of each variable.

Accepted Answer

$$x=5,\ y=85,\ z=3$$

Answer

$$x=10,\ y=175,\ z=3$$

Answer

$$x=10,\ y=85,\ z=6$$

Answer

$$x=5,\ y=175,\ z=6$$

Question 7

In the coordinate plane, three vertices of rectangle ABCD are A(0, 0), B(0, a), and D(b, 0). What are the coordinates of point C?

Accepted Answer

$$(b,a)$$

Answer

$$(a,b)$$

Answer

$$\left(\frac{a}{2},\frac{b}{2}\right)$$

Answer

$$\left(2b,2a\right)$$

Question 8

What is the solution of this proportion?

$$\frac{4}{9}=\frac{m}{72}$$

Accepted Answer

$$32$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{1}{32}$$

Answer

$$8$$

Question 9

The two rectangles are similar. Which is the correct proportion for corresponding sides?

Accepted Answer

$$\frac{12}{4}=\frac{24}{8}$$

Answer

$$\frac{12}{8}=\frac{24}{4}$$

Answer

$$\frac{12}{4}=\frac{8}{24}$$

Answer

$$\frac{4}{12}=\frac{24}{8}$$

Question 10

Are the two triangles similar? How do you know?

Accepted Answer

yes, by AA~

Answer

yes, by SAS ~

Answer

yes, by SSS~

Answer

no

Question 11

Using similar triangles, find the height of the flagpole to the nearest tenth of a foot.

Accepted Answer

20 ft

Answer

38.4 ft

Answer

55 ft

Answer

25 ft

Question 12

What are the values of a and b?

Accepted Answer

$$a=\frac{9}{2},\ \ b=\frac{15}{2}$$

Answer

$$a=\frac{15}{2},\ b=\frac{9}{2}$$

Answer

$$a=\frac{16}{3},\ \ b=\frac{15}{2}$$

Answer

$$a=\frac{9}{2},\ \ b=\frac{13}{2}$$

Revision for Midterm 2

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