Question

Solve for the value of z.

Answer 1

2z+5+5z-6=90(right angle)

7z=90+1

z=91/7=13 is your answer

Answer 2

13°

Explanation:

2z + 5° + 5z - 6° = 90° { being complementary angles }

7z = 90° + 1°

7z = 91°

z = 91° / 7

z = 13°

Hope it will help :)