Quadrilaterals, Coordinate Algebra, and Circles — Test

Question 1

What is the length of the radius, r ?

Revolt · Accepted Answer

18 cm

Question 2

Which statement proves that triangle XYZ is an isosceles right triangle?

Revolt · Accepted Answer

The slope of line segment XZ is 3 fourths , the slope of line segment XY is negative 4 thirds , and XZ is equal to XY is equal to 5 .

Question 3

If quadrilateral ABCD is an isosceles trapezoid, which statements must be true? Choose three correct answers.

Revolt · Accepted Answer

angle CBA is congruent to angle BCD; line segment BA is congruent to line segment CD; line segment BC is parallel to line segment AD

Question 4

Point cap g is the center of the small circle. Point cap x is the center of the large circle. Points cap g , cap y , and cap x are all on line segment GX Marco wants to create a new circle using line segment GX as a radius. What will be the area of Marco’s new circle?

Revolt · Accepted Answer

676 pi cm squared

Question 5

What is the approximate length of arc QR ? Round to the nearest tenth of a centimeter.

Revolt · Accepted Answer

9 point 9 centimeters

Quadrilaterals, Coordinate Algebra, and Circles — Test Answers

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