What is the measure of `/_A+/_B+/_C+/_D+/_E+/_F` in the figure given below. Give reason to your answer.

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

Find /_a, /_b, /_c, /_d and /_e in the figure. Give reasons.

What is happening in the figure given below ?

From the figure, the value of /_A+/_B+/_C+/_D=………….

The Murrel and Rohu are fishes found in rivers. Will they be able to live in the Coringa ecosystem. Give reasons for your answer.

The Murrel (korramatta) and Rohu are fishes found in rivers. Will they be able to live in the Mangroove forest ecosystem? Give reasons for your answer.

ABCD is a quadrilateral, then /_A+/_B+/_C+/_D=

State which of the following sets are finite and which are infinite. Give reasons for your answer. D = {1, 2, 3, 4}

Is the following pair of triangles congurent? Give reason to support your answer.