Question : Two angles of a triangle are equal and the third angle measures 78°. What is the measure of each of the unknown angles?
Option 1: 50°
Option 2: 51°
Option 3: 49°
Option 4: 52°
Latest: SSC CGL preparation tips to crack the exam
Don't Miss: SSC CGL complete guide
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: 51°
Solution : Let the equal angles be $x$. The sum of the three angles of a triangle is 180°. So, $x + x + 78° = 180°$ ⇒ $2x = 180° - 78°$ ⇒ $2x = 102°$ ⇒ $x = 51°$ Hence, the correct answer is 51°.
Candidates can download this ebook to know all about SSC CGL.
Answer Key | Eligibility | Application | Selection Process | Preparation Tips | Result | Admit Card
Question : The sum of two angles of a triangle is 116° and their difference is 24°. The measure of the smallest angle of the triangle is:
Question : The angles of a triangle are in the ratio 2 : 3 : 7. What is the measure of the largest angle of the triangle?
Question : An exterior angle of a triangle is 115° and one of the interior opposite angles is 45°. The other two angles are:
Question : In $\triangle $ABC, D is a point on side BC such that $\angle$ADC = 2$\angle$BAD. If $\angle$A = 80° and $\angle$C = 38°, then what is the measure of $\angle$ADB?
Question : The vertical angle $\angle A$ of an isosceles $\triangle ABC$ is three times the angle B on it. The measure of the $\angle A$ is:
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile