Coordinate Geometry
Basics
Triangles
Circles
Misc.
100

This point would be the image of the point (-7,3) after being rotated 90 degrees counterclockwise about the origin.

(-3, -7)

100

Find m∠ABC if m∠ABC = 3x + 6 and               m∠EBD = 5x – 9.


28.5

100

Find the hypotenuse of a right triangle with legs that measure 7 and 24.

25

100

Find the center of the circle whose equation is       (x-12) + (y-7)  = 121.

(12,7)

100

A square pyramid has a height that is 6 centimeters long and a base with sides that are each 7 centimeters long. Find the volume of the pyramid.

98 cm3

200

This point would be the midpoint between the points (8, 6) and (-2, 1).

(3, 3.5)

200

This is the classifications for angles 2 and 7.


alternate exterior

200

A 20-foot flagpole cast a 15-foot shadow. At the same time, the building next to it cast an 85-foot shadow. Find the height of the building.

113.3 feet

200

ΔABC is inscribed inside the circle.  What is m∠ABC?


80

200

In this polygon, line AE is a line of symmetry.  If    FD =12 , GF = 6  , BC = 3 , and HA = 2, what is the perimeter of the polygon?


34

300

This would be the distance between the points      (-2, 8) and (9, 12).

11.7

300

Find the sum of the measures of the interior angles of a convex 40-gon.

6840

300

Find the angle of elevation of the sun if a building 80 feet tall casts a shadow 100 feet long. Round to the nearest degree.

38.7 degrees

300

The diameter of a circular swimming pool is 18 feet. Find the circumference to the nearest hundredth.

56.5 ft

300

Given the following segment, solve for x.


4

400

This would be the endpoint of a segment with one endpoint at (-3, 5) and a midpoint at (-6, 4).

(-9, 3)

400

If m∠2 = 4x + 8 and m∠6 = 8x – 6, find the value of x so that ℓ ║ m.


3.5

400

In ΔABC, m<B = 105° and m<C = 45°.  How would you classify the triangle by angles and sides?

obtuse scalene

400

Find the equation of ⨀P.


x2 + (y-3)2 = 4
400

Find the missing measurement rounded to the nearest tenth.


2

500

This is the slope of a line that is perpendicular to a line containing the points (4, 7) and (9, 11)

-5/4

500

Would the following side lengths allow you to form a triangle?  Explain why

4, 5, and 9

No because the sum of 4 and 5 is not greater than 9.

500

If a 25-foot ladder makes a 55° angle with the ground, how many feet up a wall will it reach? Round your answer to the nearest tenth.

20.5 ft.

500

If a carousel with 20 evenly spaced horses has a diameter of 18 feet, what would the length between each horse be?

2.82

500

Find x to the nearest tenth.


5.9