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Eighth Grade (Grade 8) Triangles Questions

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Grade 8 Triangles
What is the longest side of a right triangle?
  1. leg a
  2. leg b
  3. hypotenuse
  4. right angle
Grade 8 Triangles
How many degrees are there in a triangle?
  1. 90
  2. 360
  3. 45
  4. 180
Grade 8 Triangles
In triangle ABC, angle A measures 84 degrees and angle C measures 48 degrees. What is the measurement of Angle B?
Acute Triangle ABC v2
  1. 48 degrees
  2. 180 degrees - 84 degrees
  3. 84 degrees
  4. 180 degrees - 48 degrees
Grade 8 Triangles
How many degrees are there in a triangle?
  1. 45
  2. 180
  3. 90
  4. 360
Grade 8 Triangles CCSS: 8.G.A.5
The exterior angle of a triangle is equal to
  1. the value of its adjacent angle.
  2. the sum of its opposite interior angles.
  3. the product of its opposite interior angles.
  4. the difference between its opposite interior angles.
Grade 8 Triangles CCSS: 8.G.A.5
The measures of the angles in a right triangle are x, 2x and 90°. What is x?
  1. 15°
  2. 30°
  3. 45°
  4. 60°
Grade 8 Triangles CCSS: 8.G.A.5
What is the sum of the exterior angles of a triangle?
  1. 180°
  2. 270°
  3. 360°
  4. 540°
Grade 8 Triangles CCSS: 8.G.A.5
Which of the following statements about the exterior angle of a triangle is true?
  1. It is always equal to the value of its adjacent angle.
  2. It is always larger than either opposite interior angle.
  3. It is always larger than the sum of its opposite interior angles.
  4. It is always equal to the sum of the interior angles of the triangle.
Grade 8 Triangles
How many degrees are there in a triangle?
  1. 90°
  2. 45°
  3. 180°
  4. 360°
Grade 8 Triangles CCSS: 8.G.A.5
What is the measure of one external angle of an equilateral triangle?
  1. 30°
  2. 60°
  3. 120°
  4. 180°
Grade 8 Triangles
If a right triangle has a leg measuring 5 cm and a hypotenuse measuring 13 cm, what is the area of the triangle?
  1. 32.5 centimeters squared
  2. 30 centimeters squared
  3. 36 centimeters squared
  4. 60 centimeters squared
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