Answer:
If we need to find measure of each acute angle (<90) then here u go:
so u have 2 acute angles and 1 right angle which equals 90°.
you also know that sum of 3 angles equals 180°.
sum of these two acute angles will be equal to 90° (subtract right angle from 180)
make equality:
first acute angle+second acute angle=90°
(7x+6)+(6x-7)=90
13x-1= 90. (Just open brackets)
13x=91. (add 1 to both sides)
x=91/13
x=7
now you just have to put x value inside
(7x+6)°=7×7+6=49+6=55°
and
(6x-7)°=6×7-7=35°
