Question

please solve these maths problems it's very urgent step by step​

Answer 1

Answer:

Which one should I do???

Answer 2

Answer:

1(A) - option d , one

(B) - option a , acute angle

(C) - option b , 180°

Step-by-step explanation:

2(a)

by using exterior angle property

25+90=x

115°=x

(b)

similarly

550+61=a

611°=a

(c)

similarly as (a) and (b)

43+68=k

111°=k

3 .

first use ∆ sum property

then use exterior angle property.

hope this will help you...