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Olympiad (Class 5) Angle — practice questions — page 2

Explore 62 free Angle questions in Olympiad (Class 5) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Angle questions and exercises with answers

Showing questions 31–60 of 62.

A polygon has one interior angle of 220 degrees. What kind of polygon is it?Read the answer and worked solution →Every interior angle of a polygon is less than 180 degrees. What kind of polygon is it?Read the answer and worked solution →A closed path shaped like a number eight crosses itself. What kind of polygon is it?Read the answer and worked solution →An L-shaped floor outline has only 90 and 270 degree interior angles. What is such a polygon called?Read the answer and worked solution →An L-shaped floor outline has 6 corners and five of them measure 90 degrees. What does the sixth measure?Read the answer and worked solution →How many faces does a cuboid have?Read the answer and worked solution →What shape are all the faces of a cube?Read the answer and worked solution →At what angle do two neighbouring faces of a cube meet?Read the answer and worked solution →A box shaped like a cuboid has some faces and some vertices. How many is faces plus vertices together?Read the answer and worked solution →For a cuboid, faces plus vertices minus edges equals which number?Read the answer and worked solution →The thin outer skin of a ball, without its inside, is called a what?Read the answer and worked solution →A solid ball is made up of its surface sphere together with what else?Read the answer and worked solution →The geometry of three-dimensional space is known as what?Read the answer and worked solution →Which of these is a flat shape and not a solid?Read the answer and worked solution →A birthday party hat is closest in shape to which solid?Read the answer and worked solution →A solid has a square base and four triangular sloping faces meeting at one point. What is it?Read the answer and worked solution →A solid has two identical triangular ends joined by three rectangular sides. What is it?Read the answer and worked solution →A hexahedron is a solid with how many faces?Read the answer and worked solution →All the edges of a cuboid are made equal in length. What solid does it become?Read the answer and worked solution →A cube frame is made by joining sticks, one for each edge, each 5 cm long. What is the total stick length?Read the answer and worked solution →A full turn is 360 degrees. How many degrees is a quarter of a turn?Read the answer and worked solution →A clock hand turns through three quarters of a full turn. How many degrees is that?Read the answer and worked solution →The minute hand of a clock moves from 12 to 4. Through how many degrees does it turn?Read the answer and worked solution →What type of angle do the two hands of a clock form at exactly 6 o'clock?Read the answer and worked solution →At 4 o'clock the clock hands make a 120 degree angle. What type of angle is it?Read the answer and worked solution →At 4 o'clock the smaller angle between the clock hands is 120 degrees. What is the larger angle on the other side?Read the answer and worked solution →Which pair of angles is supplementary?Read the answer and worked solution →Which pair of angles together makes a full angle?Read the answer and worked solution →A triangle has one angle of 100 degrees. What is the sum of its other two angles?Read the answer and worked solution →A right-angled triangle has its two acute angles equal. How large is each one?Read the answer and worked solution →

Worked practice questions

A polygon has one interior angle of 220 degrees. What kind of polygon is it?

  1. Concave
  2. Convex
  3. Regular
  4. Equiangular
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Correct answer: A. Concave

A polygon with an interior angle greater than 180 degrees dents inward, so it is concave.

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Every interior angle of a polygon is less than 180 degrees. What kind of polygon is it?

  1. Concave
  2. Star-shaped
  3. Reflex
  4. Convex
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Correct answer: D. Convex

When all interior angles stay below 180 degrees the polygon bulges outward everywhere, which is convex.

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A closed path shaped like a number eight crosses itself. What kind of polygon is it?

  1. Convex shape
  2. Concave shape
  3. Regular shape
  4. Self-intersecting
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Correct answer: D. Self-intersecting

A polygon whose boundary crosses itself is called self-intersecting.

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