Think you know about Triangles well enough?
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1.If a triangle has angles 95°, 55°, 30°. Is it an obtuse triangle?
Yes
No
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2.If a triangle has angles 89°, 46°, 45°. Is it an acute triangle?
Yes
No
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3.If a triangle has angles 60°, 60°, 60°. Is it an equilateral triangle?
Yes
No
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4.If a triangle has angles 30°, 60°, 90°. Is it a right-angled triangle?
Yes
No
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5.If a triangle has 2 angles of 45°. What is the measure of third angle in degree?
75
90
50
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6.What do you call a triangle whose sides are all equal?
Equilateral
Scalene
Right-angled
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7.What is value of angle A
60
20
Not enough information
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8.A triangle with one angle greater than 90 degrees.
Isosceles
obtuse
Right-angled
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9.A triangle with all three angles less than 90 degrees.
Acute
obtuse
Right-angled
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10. If a triangle has 2 sides with equal lengths and 30° angle between them. What is the type of triangle?
Equilateral
Isosceles
Right-angled