00:01
All right, hi, so this is an isosceles triangle, which means this angle equals this angle, which means both of them are 4x plus 2.
00:08
And 4x plus 2 plus 4x plus 2 plus 7x minus 34 equals 180.
00:13
So i'm going to go to a calculator and then f that it's solved for x.
00:17
And then also for number 2, okay, so if this is 74, the opposite side is 74.
00:24
When you have grew in size in this shape, opposite size are equal, this is 74, that's 74.
00:30
Q and s are equal.
00:32
I think of it like since we're solving for r sq.
00:36
So r sq is this angle and there are four angles that are identical.
00:41
This one.
00:41
This one.
00:42
This one.
00:42
This one are equal.
00:43
So it's 4x plus 74 plus 74 equals 360.
00:48
So if we change that.
00:51
So solving for x in the first question, move things around.
00:56
We end up 14.
00:59
And solving for x, number two, x turns out the answer is 53 or number two.
01:06
All right, so the value of x is 14 for the first one, and it's asking for which of these are true, because some of them are true.
01:14
Maybe all of them are true.
01:15
Okay, so bca, b, i'm guessing that's b, so b, c, a, is 4x plus 2, so 4x times, i mean, 4 times 14 is 56, 56 plus 2 is 58...