Advertisements
Advertisements
Question
Find the value of the unknown x in the following diagram:
Solution
The sum of all interior angles of a triangle is 180°. By using this property, these problems can be solved as follows:
x + 2x + 90° = 180°
3x = 180° − 90°
3x = 90°
x = `(90°)/3`
x = 30°
APPEARS IN
RELATED QUESTIONS
In the given figure, if PQ ⊥ PS, PQ || SR, ∠SQR = 28º and ∠QRT = 65º, then find the values of x and y.
Find the value of the unknown x and y in the following diagram:
In the given figure, which of the following statement is true?
Angles of a triangle are in the ratio 2 : 4 : 3. The smallest angle of the triangle is ______.
In the following figure, DE || QR and AP and BP are bisectors of ∠EAB and ∠RBA, respectively. Find ∠APB.
In the given figure, PQ = PS. The value of x is ______.
It is possible to have a triangle in which each angle is less than 60°.
It is possible to have a triangle in which each angle is greater than 60°.
If two triangles are congruent, then the corresponding angles are equal.
In a triangle ABC, the measure of angle A is 40° less than the measure of angle B and 50° less than that of angle C. Find the measure of ∠A.
