Question

plz answer this............ ​

Answer 1

Answer:

3. 40° , 80° , 60°

4. 360°

Step-by-step explanation:

3. Let the ratio be x and 2x

then,

x+2x+60 = 180

X = 40°

&

2x = 80°

Hence , the three angles of triangle are 60°, 40° and 80°.

4. it doesn't needs explaination.