You can apply the Pythagorean theorem:
a^2 + b^2 = c^2
c is the longest side of the triangle
2.2^2 + 4.2^2 = 6.7^2
4.84 + 17.64 = 44.89
22.48 =/= 44.89
That is not a right triangle
Answer:
x = 7, -7
Step-by-step explanation:
(2x-1)(3x+2)+x+292
3x - 2x +x = 2 - 1 + 292
(6)x - 294 = 6(x - 49)
Use communicative property of multiplication
Example: (A+B)(A-B)

49 is the square of 7
x square is the square of x to the power of 1
(x+7)(x-7)
Answer:
A. Triangle B
Step-by-step explanation:
Obtuse angles are greater than 90°, but less than 180°.
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Answer:
C $11–$12
Step-by-step explanation:
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