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Test Questions with Triangles - Page 4

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Grade 9 Angles
In triangle ABC, angle A = 50 degrees and angle C = 50 degrees. What can we tell about this triangle?
Isosceles Triangle Height v2
  1. angle B = 80 degrees
  2. side AC = side BC
  3. side AB = side BC
  4. both a and c
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.7
If BC = 61 and AC = 82, what is AB?
Right Triangle ABC v3
  1. 55
  2. 54
  3. 103
  4. 102
Grade 5 Triangles CCSS: 5.G.B.4
According to angle measure, this is what kind of triangle?
Right Triangle v3
  1. acute triangle
  2. obtuse triangle
  3. right triangle
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.6
Write the letter "D" at the point where the altitude meets line AC.

Given: Triangle ABC is a right triangle; ∠B is a right angle; line BD is perpendicular to AC

Which reason explains the following relationships?

ACBC=BCDC;ACAB=ABAD
Acute Triangle Height v3
  1. though a point outside a line, there is exactly one line perpendicular to the given line
  2. given the altitude of a right triangle, the legs are the geometric mean of the hypotenuse and the segment of the hypotenuse that is adjacent to the leg
  3. when the hypotenuse and a leg of a right triangle are congruent to corresponding parts of another right triangle, the triangles are congruent
  4. the sum of the side lengths of any two sides of a triangle are greater then the length of the third side
Grade 5 Triangles CCSS: 5.G.B.4
According to side lengths, what kind of triangle is ABC?
Equilateral Triangle ABC v2
  1. scalene triangle
  2. equilateral triangle
  3. isosceles triangle
Grade 4 Triangles CCSS: 4.G.A.2
Which describes the triangle?
Scalene Triangle v1
  1. Right
  2. Acute
  3. Obtuse
Grade 4 Symmetry and Transformations CCSS: 4.G.A.3
How many lines of symmetry does this equilateral triangle have?
Equilateral Triangle v1
  1. 1
  2. 2
  3. 3
  4. 4
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.7
If BC = 24.5 and AC = 18.5, what is AB?
Right Triangle ABC v3
  1. 16.1
  2. 16.0
  3. 30.7
  4. 30.6
Grade 4 Triangles CCSS: 4.G.A.2
Name the triangle.
Right Triangle v1
  1. Acute
  2. Right
  3. Obtuse
Grade 4 Triangles CCSS: 4.G.A.2
What kind of triangle is shown?
Isosceles Triangle v1
  1. right
  2. equilateral
  3. isosceles
  4. scalene
Grade 5 Triangles CCSS: 5.G.B.4
Classify this triangle.
Obtuse Triangle v2
  1. scalene, obtuse
  2. scalene, acute
  3. isosceles, right
  4. isosceles, obtuse
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.7
If BC = 28.3 and AC = 7.2, what is AB?
Right Triangle ABC v1
  1. 27.3
  2. 27.4
  3. 29.2
  4. 29.0
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.7
The altitude of equilateral triangle ABC is 15. What is the length of a side of triangle ABC?
Equilateral Triangle Height v1
  1. 5√2
  2. 5√3
  3. 10√2
  4. 10√3
Grade 10 Trigonometry CCSS: HSG-SRT.D.10
If AB=17, ∠C=26°, and AC=6, what is value of ∠B ?
Scalene Triangle ABC v1
  1. 3.2°
  2. .4°
  3. 1.2°
  4. 8.9°
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.7
If AB = 8 and AC = 6, what is BC?
Right Triangle ABC v1
  1. 9
  2. 8
  3. 16
  4. 10.0
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