Home
Class 9
MATHS
Find angle 'A' if : (i)...

Find angle 'A' if : (i)

Text Solution

Verified by Experts

The correct Answer is:
`60^(@)`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Using the given figure , find the value of angle A , if : (i) x= y (ii) x= sqrt3 y (iii) sqrt3, x=y

Find the magnitude of angle A, if : (i) 2 cos^(2)A - 3 cos A + 1 = 0 (ii) 2 tan 3A cos 3A - tan 3A + 1 = 2 cos 3A

In right-angle triangle ABC, angle B = 90^(@) . Find the magnitude of angle A. If : (i) AB is sqrt(3) times at BC (ii) BC is sqrt(3) times of AB

If 4 cos^(2) x = 3 and x is an acute angle find the value of : (i) x (ii) cos^(2)x + cot^(2)x (iii) cos 3x (iv) sin 2x

Find the number of sides in a regular polygon, if its each exterior angle is : (i) 1/3 of a right angle (ii) two-fifths of a right angle

In the given figure,AB is parallel to DC. angle BCE = 80 ^(@) and angle BAC = 25^(@). Find: (i) angle CAD (ii) angle CBD (iii) angle ADC

Find the number of sides in a regular polygon, If its each interior angle is : (i) 160^@ (ii) 135^@ (iii) 1 1/5 of a right angle.

Find an angle theta (i) Which increases twice as fast as its cosine. (ii) Whose rate of increase twice is twice the rate of decrease of its consine.

The measure of each interior angle of a regular polygon is five times the measure of its exterior angle. Find : (i) measure of each interior angle, (ii) measure of each exterior angle and (iii) number of sides in the polygon

Find the number of sides in a polygon if the sum of its interior angles is : (i) 900^@ (ii) 1620^@ (iii) 16 right angles