Question

please answer fast..i will mark you as brainliest​

Answer 1

Answer:

Q1 270

Q2 110

Q3 obtuse

Q4 don't know this one

Q5 BS,ET

Step-by-step explanation:

Q5:

We are given 4 angles as

1x,2x,3x,4x

We know that sum of all angles of a quadrilateral is 360 so we will add the angles

i.e

1x+2x+3x+4x=360

10x=360

x=360/10

x=36

so the angles are

1×36,2×36,3×36,4×36

36,72,108,144

please mark as brainliest I have did a lot of hard-work