Unit #4 Review 6th Grade Pre-Algebra

Find the square root of the number. 9 10 points

3

Find the square root of the number. 36 20 points

6

Find the square root of the number. 64 30 points

8

Find the square root of the number. 144 40 points

12

Find the square root of the number. 196 50 points

14

Word Problem A square room has an area of 6400 square feet. What are the dimensions of the room in feet? 30 points

Dimensions of the room are 80 feet x 80 feet.

Simplify the expression. y2 = 49 10 points

y = 7

Simplify the expression. 30 points

X = 20

Simplify the expression. 50 points

Determine whether the triangle shown is a right triangle. 2, 3, 4 20 points

No

Determine whether the triangle shown is a right triangle. 12, 35, 37 40 points

yes

Determine whether the triangle shown is a right triangle. 11, 60, 61 50 points

yes

Find the value of x. (30 points) Classify the triangle by its angle measures. Classify the triangle by its side lengths. x (x-73) 67

x= 93 Obtuse scalene

Tell whether the figure is a polygon. (30 points) If it is, classify it. Tell whether it is convex or concave.

Yes, it is a polygon. A pentagon. Convex

Tell whether the figure is a polygon. (20 points) If it is, classify it. Tell whether it is convex or concave.

NO

Tell whether the figure is a polygon. (30 points) If it is, classify it. Tell whether it is convex or concave.

Yes, it is a polygon. Dodecagon or 12-gon Concave

Classify the quadrilaterals. Use the specific name. (20 points) What quadrilateral has exactly one pair of Parallel sides?

trapezoid

Classify the quadrilaterals. Use the specific name. (20 points) Which quadrilateral has four congruent sides?

Use the diagram to name: (40 points) a. two segments b. two rays C B

Find the unknown length. (30 points) c 15 36

39

Find the unknown length. (50 points) 9 b 15

12

A TV screen is measured by length diagonally A TV screen is measured by length diagonally. A 36 inch screen is about 20 inches high. About how wide is the TV round to the nearest inch. 36

30 inches

Tell whether the angles are complementary, supplementary, or neither. Angle 1 = 10 Angle 2 = 70 20 points

neither

Tell whether the angles are complementary, supplementary, or neither. Angle 1 = 108 Angle 2 = 72 30 points

Supplementary

Tell whether the angles are complementary, supplementary, or neither. Angle 1 = 58 Angle 2 = 32 40 points

complementary

Find the measures of the numbered angles in the diagram. (50 points) 1 2 3 4 5 6 7 70 degrees

Angle 1 = 110 Angle 2 = 70 Angle 3 = 110 Angle 4 = 70 Angle 5 = 110 Angle 6 = 70 Angle 7 = 110

Find the sum of the interior angles of a convex polygon with the given number of sides. 5 30 points

540

Find the sum of the interior angles of a convex polygon with the given number of sides. 4 30 points

360

Four exterior angles of a convex pentagon have the following measures Four exterior angles of a convex pentagon have the following measures. Find the value of the 5th exterior angle. (40 points) 68 79 90 81 x

42

The perimeter of a square is 108 inches The perimeter of a square is 108 inches. Write an solve an equation to find the length of each side. (30 points)

4x = 108 27

Find the unknown side lengths Find the unknown side lengths. Then, classify the triangle by side lengths. (50 points) (x + 15) x 39

X = 63 63 39 78 Acute

Why is it important to use the correct symbol for naming things in geometry? 30 points

It is important to note the specific geometric elements.

STUDY, STUDY, STUDY!!!