Question

if you answer my question correctly with steps I will mark your answer as brainlist answer​

Answer 1

Step-by-step explanation:

यदि त्रिभुज ABC के अन्तःवृत्त का केन्द्र 0 हो और

LBOC = 110° हो, तो ZBAC का मान होगा

(1) 110°

(2) 20°

(3) 40°

(4) 55°

Answer 2

\sum\limits_{i=1}^n x_i = x_1 + x_2 + \dots + x_n

i = index of summation

n = upper limit of summation