Question

guys I have some questions of Maths please solve it because it is urgent....plzz solve step by step..... I will mark you as brianliest answer.

1. In Δ ABC, angle A =70 and angle B =60 ,then the measure of an exterior angle of ΔABC can be.............

2. In quadrilateral PQRS, angle P =5x, angle Q =3x, angle R =4x and angle S =6x. Then the measure of the greatest angle of quadrilateral PQRS is..........

3. In parallelogram ABCD, angle A - angle B = 30. Then, angle C =............

4. In a circle with centre P, AB and CD are congruent chords. If angle PAB =40 ,then angle CPD = ...........

5. In cyclic quadrilateral ABCD, angle A = 70 and angle B + angle C = 160. Then, angle B = ..........

6. Δ ABC is an equaliteral triangle and D, E and F are the midpoints of sides AB, BC and AC respectively. If AB =8cm, find the perimeter of Δ DEF.

7. In quadrilateral ABCD, angle A + angle B = 150. Find angle C + angle D.

Answer 1

1.A=70 B=60 MEASURE OF EXTERIOR ANGLE =180-angle c c=180-70+60=50
EXTERIOR angle =180-50=130