Each line has a difference of four
The blue dot should be -10
its 1200 i think i work it out but i could have done it wrong
Each angle of the triangle added together must be equal to 180, so 53+45=98. 180-98=82. So the top angle is 82, the value of x has to be equal to 180-82 which equals 98
The answer is to that is 100
25times 4
