Classify the triangle using the terms:
A. Scalene
B. Isosceles
C. Equiangular
D. Acute
E. Obtuse
F. Equilateral
G. Right
Classify the triangle according to its angles and sides.
Obtain the value of x and classify each triangle as acute, right or obtuse.
Obtain the measure of each angle of a triangle if the measures of the angles are in the ratio 3:5:7.
From the figure, find the measure of the unknown angle without using a protractor.
Find the measure of each angle of an isosceles acute triangle.
Find mA and mC.
What is the value of x and y from the figure.
What is the value of x and y in the figure?
In ΔABC, mC = 60. Find mAXB if the bisectors of A and B, meet at point X.
In equilateral triangle MNO, there is a point X of such that . Find mNOX.
Use the figure and find m2 if m1 = 39 and m3 = 54.
Obtain the measures of the angles in the given triangle.
Explain why the perimeter of an isosceles triangle with sides 15 cm and 18 cm could be either 48 cm or 51 cm.
Use always, sometimes, or never to complete the statement. Explain your choice. An equilateral triangle is ? an isosceles triangle.
Which of the following measures can form an acute triangle?
A. 60, 70, 50
B. 30, 110, 30
C. 80, 60, 30,
D. 60, 70, 80.
