Answer:
C
Step-by-step explanation:
Hope I was able to help!! :)
1)
8² + 15² = 17²
64 + 225 = 289
This is true, so the triangle is a right triangle.
2)
4² + 12² = 13²
16 + 144 = 169
This is false, so the triangle is not a right triangle.
3)
20² + 21² = 27²
400 + 441 = 729
This is false, so the triangle is not a right triangle.
4)
28² + 45² = 53²
784 + 2,025 = 2,809
This is true, so the triangle is a right triangle.
#420
because 70x4=420 within 300 and 500 and is greater than 400 which is a multiple of 100
Answer:
c is -7
Step-by-step explanation:
-7 + 10 = 3
:D
