If
one the angles of a triangle
is 170° and the other two angle
are equal, what is the measure
of each of these equal angles
Answers
Step-by-step explanation:
The six elements of a triangle are its three angles and the three
sides.
• The line segment joining a vertex of a triangle to the mid point of its
opposite side is called a median of the triangle. A triangle has
3 medians.
• The perpendicular line segment from a vertex of a triangle to its
opposite side is called an altitude of the triangle. A triangle has
3 altitudes.
• An exterior angle of a triangle is formed, when a side of a triangle is
produced.
• The measure of any exterior angle of a triangle is equal to the sum of
the measures of its two interior opposite angles.
• The sum of the three angles of a triangle is 180°.
• A triangle is said to be equilateral, if each of its sides has the same
length.
• In an equilateral triangle, each angle has measure 60°.
• A triangle is said to be isosceles if at least two of its sides are of same
length.
• The sum of the lengths of any two sides of a triangle is always greater
than the length of the third side.
• The difference of the lengths of any two sides of a triangle is always
smaller than the length of the third side.
Answer:
Let the required angle be x
A/Q,
Lengths are equal
therefore, length=x
USING THE SUM ANGLE PROPERTY
170°+ x=180°
=> x=180°-170
=>. x=10°
Therefore the value of the Equal angle is 10°
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