Classifying triangles
Find the missing angle
Find the missing side length
Classifying triangles part 2
Areas of triangles
100
An isosceles triangle.
What is a triangle with two equal sides called?
100
The third angle of a triangle when angle A is 130 degrees and angle B is 20 degrees.
What is 30 degrees?
100
The length of side c in a right triangle if side a is 3cm and side b is 4 cm
What is 5 cm?
100
A triangle with side lengths of 6 ft., 6 ft. and 6 ft.
What is an equilateral triangle?
100
The area of a right triangle where side a is 4 cm and side b is 5 cm.
What is 10 square centimeters?
200
An equilateral triangle.
What is a triangle with three equal sides called?
200
The two equal angles of an isosceles triangle when the third angle is 20 degrees.
What is 80 degrees?
200
The length of side c in a right triangle if side a is 6 cm and side b is 10 cm.
What is 11.66 cm, approximately or what is the square root of 136?
200
A triangle with side lengths of 8 cm, 6 cm and 7 cm.
What is an acute triangle?
200
The area of a right triangle where side a is 3 cm and side c is 5 cm.
What is 6 square centimeters?
300
A scalene triangle.
What is a triangle called that has no equal sides?
300
The other two angles of an isosceles triangle when one of the equal angles is 30 degrees.
What are 30 degrees and 120 degrees?
300
The length of side b in a right triangle if side a is 5 cm and side c is 10 cm.
What is 8.66 cm approximately or what is the square root of 75?
300
A triangle with side lenths of 4 cm, 2 cm and 3 cm.
What is an obtuse triangle?
300
The area of a right triangle where side a is 5 cm and side c is 13 cm.
What is 30 square centimeters?
400
An isosceles obtuse triangle.
What kind of triangle has its largest angle greater than 90 degrees and has two equal sides?
400
The measure of the other two angles of an isoscleles right triangle.
What is 45 degrees.
400
The length of side a in a right triangle if side b is 12 cm and side c is 13 cm.
What is 5 cm?
400
A triangle with side lengths of 13 cm, 12 cm and 5 cm.
What is a right triangle?
400
The area of an isosceles triangle when the short side (the base) is 6 cm and the two equal sides are 5 cm (drawing a picture will help)
What is 6 square centimeters?
500
An equilateral obtuse triangle
What is an impossible combination of triangle classifications?
500
The measure of the third angle in a right triangle if one of the angles measures 35 degrees.
What is 55 degrees
500
The length of side a in a right triangle if side b is 13 cm and side c is 25 cm
What is 21.35 approximately, or what is the square root of 456?
500
A triangle with side lengths of 2 cm, 5 cm and 10 cm.
What is an impossiblilty?
500
The area of an isosceles triangle when the short side (the base) is 10 cm and the two equal sides are 13 cm (drawing a picture will help)
What is 60 square centimeters?
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