Baka alam nyo po sagutan, tinry ko naman po pero wala parin.

Answer:
1. OK = 30 / 2 = 15
15 = 2x + 5
2x = 10
x = 5
2. OA = 28/2 = 14
14 = 3x - 7
3x = 21
x = 7
3. m<1 = 60⁰
therefore, it is not a rectangle. it is a square.
4. m<2 = 60⁰
therefore, it is not a rectangle. it is a square.