Unit 4 Quiz 1 Review - psd202.org
Transcript of Unit 4 Quiz 1 Review - psd202.org
Unit 4 Quiz 1 ReviewMs. Schneider
Question 1
Describe the relationship between a tangent line and a radius of a circle.
Question 1
Describe the relationship between a tangent line and a radius of a circle.
They are
perpendicular
to one
another.
Question 2𝒁𝒀 is a radius of circle Y. 𝒁𝑾 is tangent to circle Y at point Z. ZW = 10 and YW = 15. What is the length of 𝒁𝒀.
Question 2𝒁𝒀 is a radius of circle Y. 𝒁𝑾 is tangent to circle Y at point Z. ZW = 10 and YW = 15. What is the length of 𝒁𝒀.
𝟓 𝟓≈ 𝟏𝟏. 𝟏𝟖
Question 3A circle has a radius of 8 cm. The midpoint of a chord of the circle is 3 cm from the center. How long is the chord?
Question 3A circle has a radius of 8 cm. The midpoint of a chord of the circle is 3 cm from the center. How long is the chord?
𝟐 𝟓𝟓≈ 𝟏𝟒. 𝟖𝟑
Question 4Chords RS and PQ intersect at point T. What is the value of X?
8
1
2
Question 4Chords RS and PQ intersect at point T. What is the value of X?
8
1
2
𝒙 =𝟖
𝟓= 1.6
Question 5The radius of Circle O is 12 in, FD = 5 in, and 𝑮𝑯 ≅ 𝑱𝑲. What is the length of 𝑶𝑳?
Question 5The radius of Circle O is 12 in, FD = 5 in, and 𝑮𝑯 ≅ 𝑱𝑲. What is the length of 𝑶𝑳?
7 inches
Question 6In this figure, CZ = 50 ft, DZ = 88 ft, and WZ = 94 ft. What is the length of DW?
Question 6In this figure, CZ = 50 ft, DZ = 88 ft, and WZ = 94 ft. What is the length of DW?
82 feet
Question 7A central angle in a circle measures 66˚. What is the measure of an inscribed angle that intercepts the same arc?
Question 7A central angle in a circle measures 66˚. What is the measure of an inscribed angle that intercepts the same arc?
33˚
Question 8Quadrilateral PCRG is inscribed in this circle with 𝒎∠𝑪𝑹𝑮 = 𝟒𝟔°. What is the measure of ∠𝑪𝑷𝑮?
Question 8Quadrilateral PCRG is inscribed in this circle with 𝒎∠𝑪𝑹𝑮 = 𝟒𝟔°. What is the measure of ∠𝑪𝑷𝑮?
134˚
Question 9In this circle, 𝒎∠𝑭𝑱𝑯 = 𝟓𝟔° and 𝒎 𝑭𝑯 = 𝟐𝟔°. What is 𝒎 𝑬𝑮?
Question 9In this circle, 𝒎∠𝑭𝑱𝑯 = 𝟓𝟔° and 𝒎 𝑭𝑯 = 𝟐𝟔°. What is 𝒎 𝑬𝑮?
86˚
Question 10Find the value of x.
210˚
Question 10Find the value of x.
210˚
30˚
Question 11Find the value of x.
28˚
Question 11Find the value of x.
28˚
116˚