G9 3rd quarter prep 3

If b = 15, y = 9 and z = 3, what should be the value of c?

• a. 10

• b.   8

• c.   6

• d.   5

21. What is the value of twice of x subtracted from thrice of a if b + c = 2 and y + z = 3?

• a. 0

• b.   1

• c.   2

• d.   3

21. What should be the missing part so that the given   a+b/? = c/z is correct?

______

What can you conclude about the altitude of the right triangle that separate the triangle into two triangles?

• a. Each leg is the geometric mean.

• b. The altitude is the geometric mean.

• c. The square of the altitude is equal to the square of the product of the segment separated by the hypotenuse.

• d. The altitude to the hypotenuse divides the triangle into similar triangles.

What is the ratio of the perimeter of DMNG to the perimeter of DCAT?

• a. 1 : 2        

• b.   2 : 1

• c.   3 : 4

•  d.   4 : 3

What is the length of side MN?

• a. 22 units        

• b.   26 units

• c.   28 units

• d.   30 units

What triangle similarity theorem is described by the SSS Triangle similarity?

• a. If two angles and an included side of a triangle are congruent to two angles and an included angle of another triangle, then the triangles are similar.

• b. If two angles and a nonincluded side of one triangle are congruent to the corresponding angles and a nonincluded side of another triangle, then the triangles are similar.

• c. If two triangles have the proportional side lengths, then the triangles are similar.

• d. If two sides of a triangle and their included angle are congruent respectively to the two sides

What is the length of the side of the square if the length of the diagonal is 10?

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What is the value of x in the given trapezoid?

•   a.   10

• b.   11

• c.   12

• d.   13

Which of the following is a not a parallelogram?

• kite

• square

• trapezoid

• rectangle