0
How do you find an angle when you know one other angle and two of the sides of a triangle?
Wiki User
∙ 15y ago
If these two sides are opposite to these angles, and you know one of the angles, you can use the Law of Sines to find the other angle.
For example, in the triangle ABC the side a is opposite to the angle A, and the side b is opposite to the angle B. If you know the lengths of these sides, a and b, and you know the measure of the angle B, then
sin A/a = sin B/b multiply by a to both sides;
sin A = asin B
Use your calculator to find the value of arcsin(value of asin b), which is the measure of the angle A. So,
Press 2ND, sin, value of asin B, ).
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
How do you find the side length on a triangle with one angle given?
To find side lengths on a triangle, you need to know at least one of the sides. The possible combinations for solving* a triangle are: side, side, side; side, angle, side; angle, side, angle; angle, side, longer side. *To solve a triangle is to find the lengths of all the sides and the measures of all the angles.
How do you find the angle of triangle if all 3 sides is known?
Use trigonometry
How do you find the area of an isosceles triangle with 2 equal sides and 1 angle?
It really depends on the angle. If the angle is at the point where the two equal sides intersect then you can divide the triangle into two equal parts (forming a right angle with the base), divide the angle by two, then use the following equation(side*arccos(your angle/2))*((side*arcsin(your angle/2)))if the angle is not where the two equal sides intersect then you can divide the triangle into two equal parts (from the point where the two equal sides intersect down to a right angle with the base) then use the following equation.(side*arcsin(your angle)*(side*arccos(your angle))
How do you find the measure of the angle with only the given sides measure?
take the number and divide it by 180 if it's a triangle
How do you find the angle opposite of the hypotenuse of a triangle with all three sides known?
The only triangle that has a hypotenuse is a right-triangle. The hypotenuse is the side opposite the right angle, so the angle is always 90 degrees. In this case, if you're just finding the angle then you don't need to know what the side lengths are.
If you have two sides of a triangle how do you find the other side?
You need to know the angle between them.
How do you find the two shorter sides of a triangle when all you know if the hypotenuse and nothing else?
If it has an hypotenuse then it is a right angle triangle and if you know its angles then use trigonometry to find its other two sides.
If three sides of triangle are 8cm 6cm 10cm Then find largest angle?
It is a right angle triangle and its largest angle is 90 degrees
How do you find an unknown angle of a triangle without having a length of one of the sides using sohcahtoa?
If you have the length of two of the sides and one other angle you can use the law of sines.
How do you find the side length on a triangle with one angle given?
To find side lengths on a triangle, you need to know at least one of the sides. The possible combinations for solving* a triangle are: side, side, side; side, angle, side; angle, side, angle; angle, side, longer side. *To solve a triangle is to find the lengths of all the sides and the measures of all the angles.
How do you find the hypotenuse of a right triangle when you don't know the other two sides?
If you know the 2 other angles, apart from the right angle you can calulate the other 2 sides.
What is given two sides and the included angle?
The cosine rule which is: a2 = b2+c2-2*b*c*cosine A This is used to find the third side of a triangle when the two other sides are known along with the angle between them. Used when the triangle is not a right angle.
How many sides would you find on a right angled trangle?
A right angle triangle has 3 sides as does all other types of triangles.
How do you construct an isosceles triangle when base and angle at the vertex is given?
First find 180 minus the vertex angle and divide that by 2 to get the other angles. Then solve the other sides by using sin(vertex angle)/base=sin(other angles)/other sides.
If the width of the triangle is 8 how do you find the length?
# You could use the Pythagorean theorem (a2+b2=c2) if you have the measurements of the other two sides. # If the triangle is a right triangle, and you have either the measurement of one of the sides and the angle of one of the sides, then you can use sine, cosine, or tangent to find it. Other than that, I am not sure if it is mathematically possible.
How do you find an angle measurement of a triangle?
The answer depends on what information you have, If you know only the lengths of the sides, you use the cosine rule to find the measure of one angle and then the sine rule to find the other angles.
Is there Only One Answer To The Pythagorean Theorem?
Pythagoras' theorem is used to find any of the 3 sides of a right angle triangle if the 2 other sides are known.
