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It is an isosceles triangle and the other 2 angles will each measure 40 degrees
Good luck trying to draw this one ! Any two sides of a triangle are greater that the third; 40+40<100, so no triangle.
False.
Zero. The two shorter sides together make 70 metres, so they lie flat against the longest side. Really, there is no triangle. If the 3 sides actually make a triangle, you can use Heron's formula - look it up - to find the area.
if you mean ALL sides equal then no, because for a triangle to have ALL equal sides all angles must be equal (60 degrees), and an obtuse triangle must have an angle with 91 or more degrees. but if you mean TWO sides equal then yes. for example, a triangle with angles 40, 40 & 100 degrees would have two equal sides.
Length of sides is irrelevant. Angles are ((180 - 40)/2) ie 70o
It is an isosceles triangle and the other 2 angles will each measure 40 degrees
Good luck trying to draw this one ! Any two sides of a triangle are greater that the third; 40+40<100, so no triangle.
False.
Zero. The two shorter sides together make 70 metres, so they lie flat against the longest side. Really, there is no triangle. If the 3 sides actually make a triangle, you can use Heron's formula - look it up - to find the area.
if you mean ALL sides equal then no, because for a triangle to have ALL equal sides all angles must be equal (60 degrees), and an obtuse triangle must have an angle with 91 or more degrees. but if you mean TWO sides equal then yes. for example, a triangle with angles 40, 40 & 100 degrees would have two equal sides.
Yes.
An isosceles triangle has two equal side and angle measurements.
False because it does not comply with Pythagoras' theorem.
A right triangle, whose the length measure of the side opposite to the angle of 30 degrees is one half of the length measure of the hypotenuse.
100
It is: 360/40 = 9 sides