In a `DeltaABC,angleC=3angleB=2(angleA+angleB)`. Find the three angles.

In a Delta ABC, angle C = 3 angle B = 2 (angle A+angle B) . Find the three angles.

In DeltaABC, angleC=3, angleB=2(angleA+angleB)" then "angleB= _______

In a DeltaABC, |ul(C)=3|ul(B)=2(|ul(A)+|ul(B)) . Find the three angles.

What is the measure of angleA + angleB + angleC + angleD + angleE + angleF in the figure given below. Give reason to your answer.

In triangleABC , angleA=30^o , angleB=40^o and angleC=110^o . In trianglePQR , angleP=30^o , angleQ=40^o and angleR=110^o . A student says that triangleABC ~= trianglePQR by AAA congruence. Is he justified? Why or why not?

In the adjacent figures, If angle1 = angle3, angle2 = angle4 and angle3 = angle4 write the relations between angle1 and angle2 using an Euclid's postulate.

In the given figure triangle ABC side AC has been produced to D. angleBCD = 125^(@) and angleA:angleB= 2 : 3 , find the measure of angleA and angleB

ABCD is a parallelogram and angleA = 60^(@) . Find the remaining angles.

If two angles of a triangle are tan^(-1)(2) and tan^(-1)(3), then find the third angle.