Question

Please do tell the answer​

Answer 1

Answer:

which question should we answer

Answer 2

Step-by-step explanation:

use angle sum property(sum of all angle inter angle in triangle is 180°)

and

angle in straight line is 180°

use the below formula,

for area of triangle

where a,b,c are sides of triangle

s=sum of all sides/2

area of triangle=√(s)(s-a)(s-b)(s-c)

hope its helpfull

i score out of out in maths only in class 9