That symbol represents "plus out minus". usually represents uncertainty if it is beside a number.
e.g. 3± 0.3 means that the actual answer lies between 2.7 and 3.3
An equation derived by the twentieth-century physicist Albert Einstein, in which E represents units of energy, m represents units of mass, and c 2 is the speed of light squared, or multiplied by itself.
I can’t really read it it’s blurry
Answer:
Most likely he drew a triangle. Or you can add any more context that is missing from this question.
Step-by-step explanation: