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What are the interior angles of a 12-gon?
The interior angles of a 12-gon add up to 1800 degees
How do you get 90 degree angles in 1 triangle?
There are 180 degrees in a triangle - the sum of the angles totals 180 . So there can only be on 90 angle. The other two angles must add up to 90. Pythagoras theorem states " The square of the hypotenuse of a RIGHT ANGLED (90 degrees) triangle equals the sum of the squares on the other two sides". So if you have a 3-4-5 or a 5-12-13 triangle and their multiples etc, you will have a triangle with a 90 degree angle.
The base of a triangle is 12 cm the triangle has an area of 48cm squared what is the height of the triangle?
Height = 8 cm
The angles of a triangle are in the ratio 327 find each angles?
Take the following steps.... A - We know that the internal angles of a triangle total 180 degrees. B - A ratio of 3 - 2- 7 adds up to a 12. C - this means that the total of 180 degrees must be divided by 12, and the result must be multiplied successively by 3, by 2 and by 7. The results of these operations will give you the angles of the triangle.
Find the measures of the angles of a triangle if the measures of one angle is twice the measure of a second angle and the third angle measures 3 times the second angle decreased by 12?
Let the second angle of the triangle be A. Then angle 1 = 2A : and angle 3 = 3A - 12 The internal angles of a triangle total 180° therefore :- 2A + A + (3A - 12) = 180 6A - 12 = 180 : 6A = 192 : A = 32 The angles measure 64° , 32° and 84° .
