Question

please answer question 28​

Answer 1

hey mate your answer is :- It is a acute by figure

we can acknowledge that the angle theta is acute but what degree I will show

we know that acute angles are always between 0-90

let the point which intersect ray 1 with M2 be x

and ray 2 with M1 be y so it makes a triangle

let the angle theta be z

we know that sum of measure of all angles of triangle is 180

Ray 1 is parallel to M2 and ray 2 is parallel to M1 so the angles corresponding to them will also be equal

so x=y. (1)

and z<90

also x-y=0. (2)

so x+y+z<90 = 180

2x+z<90=180. from (1)

x+z<90=180/2

z<90=90-x

z=90-90-x

z=-x

but angle can't be in negative so

z=x. (3)

if x=y and z=x so z=y

so x=y=z. from (1) and (2)

so all the angles are equal

x+y+z=180

3x=180

x=60

so z=60

so the theta =60

hope it helped

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