a writer will use a for the informal language
Answer: NEITHER
Step-by-step explanation:
khan academy
D. since if you plug in the Pythagorean therom it comes out true and the Pythagorean therom only works on right triangles. also isosceles have 2 side lengths the same.
20{5[100-2(50)+20]}
20{5[100-100+20]}
20{5[20]}
20(100)
20000