3 years ago

A triangle cannot contain two right angles.

Mathematics

1 answer:

Bas_tet [7]3 years ago

6 0

Answer:

True

Step-by-step explanation:

A triangle must have 3 angles which add up to 180 degrees

A right angle is 90 degrees so if you added 90 to 90 (two right angles) it would be 180. This is true since the two angles cannot be a triangle.

I am not sure what the question was but i am guessing you needed proof.

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Step-by-step explanation:

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KiRa [710]

Answer:

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General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

k(x) = 18 - 2x

k(4) is x = 4

Step 2: Evaluate

Substitute in x: k(4) = 18 - 2(4)
Multiply: k(4) = 18 - 8
Subtract: k(4) = 10

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