Advertisements
Advertisements
Question
Find the unknown angles in the given figure:
Solution
In the figure,
b = 40° .........(Angles opposite to equal sides)
But a + b + 40° = 180° .........(Angles of a triangle)
⇒ a + 40°+ 40° = 180°
⇒a + 80° = 180°
⇒ a = 180°− 80° = 100°
Hence a = 100°, b = 40°
APPEARS IN
RELATED QUESTIONS
Find the unknown angles in the given figure:
Find the unknown angles in the given figure:
Find the unknown angles in the given figure:
Find the unknown angles in the given figure:
The vertical angle of an isosceles triangle is 15° more than each of its base angles. Find each angle of the triangle.
The ratio between a base angle and the vertical angle of an isosceles triangle is 1: 4. Find each angle of the triangle.
In the given figure, BI is the bisector of ∠ABC and Cl is the bisector of ∠ACB. Find ∠BIC.
In Figure, BP bisects ∠ABC and AB = AC. Find x.
In the figure, given below, ABCD is a square, and ∆ BEC is an equilateral triangle. Find, the case:∠ABE
In the figure, AB is parallel to CD, find x
