Yes. Since the sum is 180 degrees, that set of three numbers
is a perfectly good set of angles for a triangle.
Yes because it can add up to 460
Nope - because the internal angles of a triangle must total 180 degrees !
No. The interior angles of a triangle must add up to 180° 150° + 10° + 10° = 170° ≠ 180° Therefore a triangle cannot have interior angles of 150°, 10° and 10°
8 because there are 180 degrees in a triangle and 8*180 = 1440 degrees The interior angles of a 10 sided shape add up to 1440 degrees
This is the sequence of triangular numbers. You draw one dot. Then you draw two dots in the line below - one to the left and one to the right of the first dot. You now have a triangle, of three dots. Then you draw three dots in the next line and you get a triangle with 6 dots. Next, four more dots in the next line giving a triangle with 10 dots. The name is easy to understand if you can visualise or even actually draw these dots. It is difficult to demonstrate through an ordinary word processing package.
Using the cosine formula the angle between lengths 8 and 12 is 55.77113367 degrees. Using the sine formula the area of the triangle is 39.68626966 or about 40 square units.
Nope - because the internal angles of a triangle must total 180 degrees !
No. The interior angles of a triangle must add up to 180° 150° + 10° + 10° = 170° ≠ 180° Therefore a triangle cannot have interior angles of 150°, 10° and 10°
You could draw two arcs from the North pole to the equator, with a 10 degree separation. The two arcs and the equator would form a 190 degree spherical triangle.
No. For example, say the two angles are 10° and 20°. Then the other angle is 180°-10°-20°=150° and that is not a right angle. But if the triangle has two equal acute angles of 45 degrees then the 3rd angle must be 90 degrees which will form a right angle triangle.
It is pi/10 radians ( = 36 degrees).
No.
The area of a triangle is (1/2) x (length of the base) x (height of the triangle). You ought to be able to handle it from this point.
The 3rd angle is: 180 -98 -10 = 72 degrees
A regular 12 sided polygon each interior angle measures 150 degrees
In a right triangle with the hypotenuse c equals 10 and the angle A equals 50 degrees the angle B equals: 40 degrees.
No, it cannot.
With the ruler and compass construct a right angle isosceles triangle with a base of 9 cm At 4 cm from the LHS or RHS of the base draw a line that meets the apex of the triangle The angle of this line will be 40 degrees because each 1 cm of base space represents 10 degrees when joined to the apex