Let's set the first angle as x, the second angle is then 4x, and the third angle is (x+4x)+15, which is 5x+15
the three angles make a sum of 180: x+4x +5x+15=180
10x=165
x=16.5
the second angle is 4x=4*16.5=66
Answer:
28 i think [⩾▾⩽]
Step-by-step explanation:
since this is a right angle, all you have to do is subtract 62 from 90 because a right angle is equal to 90 degrees.
hope this helps^^
have a great day :D
X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
Answer: x=18
Step-by-step explanation: 16-18=-2
Good luck! :)
