the three angles of a quadrilateral are 29 degrees 31 degrees and 144 degrees respectively. Find the fourth angle

Mathematics

1 answer:

FinnZ [79.3K]2 years ago

3 0

Answer:

156 degrees

Step-by-step explanation:

The four angles in any quadrilateral add to 360 degrees. Add the given degrees and subtract that number from 360 for your answer

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Please help me with this !!

Sergio [31]

Answer: AC = 7√3

tan 30° = $\frac{BC}{AC}$

=> $\frac{BC}{AC}=\frac{1}{\sqrt{3} }\\\\\=> AC=BC\sqrt{3} =7\sqrt{3}$

Step-by-step explanation:

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2 years ago

Write an expression for the area of this sweetuare

nata0808 [166]

Length = x + y

Area of a square = Length x Length

The expression can be :

1) Area of the square = (x + y)(x + y)

2) Area of the square = (x + y)²

3) Area of the square = x² + 2xy + y²

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2 years ago

Graph the solution set

antiseptic1488 [7]

Answer:

Graph by first drawing a horizontal line at 3 on the y axis. Anything below this line falls into the y is less than or equal to 3 range. Draw a vertical line at negative 2 on the x axis. This represents x > -2. The next one is a slanted line, so it'll be trickier to graph. If using a graph of 10 - 10, graph from (-8, -10) to (10, 8). If using a graph of 20 - 20, graph from (-18, -20) to (20, 18). As seen in the graph, anything to the upper left of this line is included.

The true inclusion is where all the ranges intersect. Be sure to color this the darkest or with a special pattern.