Log inSign up free
Back to Math

Lines, Angles, and Triangles

Math · Geometry and Trigonometry · 49 questions · every one comes with a full explanation.

Practice this skill
DifficultyAllEasyMediumHard
  1. 1Clockwise from top left, the 3 lines are labeled s, q, and r. Line s intersects both line q and line r. At the intersection of line s and line q, 1 angle is labeled clockwise from Medium · Geometry and Trigonometry
  2. 2In the figure above, , , and are parallel. Points B and E lie on and , respectively. If , and , what is the length of , to the nearest tenth?Medium · Geometry and Trigonometry
  3. 3Two nearby trees are perpendicular to the ground, which is flat. One of these trees is 10 feet tall and has a shadow that is 5 feet long. At the same time, the shadow of the otheMedium · Geometry and Trigonometry
  4. 4Triangles ABC and DEF are shown above. Which of the following is equal to the ratio ?Medium · Geometry and Trigonometry
  5. 5Clockwise from top left, the 3 lines are labeled m, r, and s. Line m intersects both line r and line s. At the intersection of line m and line r, 1 angle is labeled clockwise from Medium · Geometry and Trigonometry
  6. 6Triangle A B C is similar to triangle X Y Z , such that A , B , and C correspond to X , Y , and Z respectively. The length of each side of triangle X Y Z is 2 tMedium · Geometry and Trigonometry
  7. 7In triangle JKL, the measures of ∠K and ∠L are each 48°. What is the measure of ∠J, in degrees? (Disregard the degree symbol when entering your answer.)Medium · Geometry and Trigonometry
  8. 8Quadrilateral P'Q'R'S' is similar to quadrilateral P Q R S , where P , Q , R , and S correspond to P', Q', R', and S', respectively. The measure of angle P is 30°, the measMedium · Geometry and Trigonometry
  9. 9In triangle ABC, the measure of angle A is . If triangle ABC is isosceles, which of the following is NOT a possible measure of angle B ?Medium · Geometry and Trigonometry
  10. 10Clockwise from top left, the 3 lines are labeled t, m, and n. Line t intersects both line m and line n. At the intersection of line t and line m, 2 angles are labeled clockwise froMedium · Geometry and Trigonometry
  11. 11Triangle ABC and triangle DEF are shown. The relationship between the side lengths of the two triangles is such that . If the measure of angle BAC is 20°, what is the measure, in dMedium · Geometry and Trigonometry
  12. 12In the figure above, segments AE and BD are parallel. If angle BDC measures 58° and angle ACE measures 62°, what is the measure of angle CAE ?Medium · Geometry and Trigonometry
  13. 13Right triangles L M N and P Q R are similar, where L and M correspond to P and Q , respectively. Angle M has a measure of 53 °. What is the measure of angle Q ?Medium · Geometry and Trigonometry