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docker41 [41]
3 years ago
6

Find the area of the triangle. Figures are not drawn to scale.

Mathematics
1 answer:
Setler [38]3 years ago
6 0
I need a picture or something to answer this question
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If each exterior angle of a regular polygon is 30°, find how many sides the polygon has & the measure of an
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12 sides and measure of each interior angle is 150...

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laurie will draw a scale model of the garden she wants to plant. Her scale will be 1cm = 2.5 ft. what will be the actual dimensi
g100num [7]

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D

Step-by-step explanation:

Because i said.......

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Write an equation in standard form of a line that passes through (4, 2) and is parallel to y = - 3/4 * x - 5 .
Bingel [31]

Answer:

y=2x+y-int

Step-by-step explanation:

If the line is parallet to the defined by the given equation the slope of the unknown line is m=2.

Use this value of slope to calculate the y intercept. 2  = ( 2 - y-int)/4 - 0)

THus, your equation is y = 2x + y-int

5 0
3 years ago
Kind people!help me please...And a detailed solution/THANKS<br> sin^2x-0,5sin2x=0
Volgvan

This will be easier to write, and a lot easier to read, if we temporarily
use another symbol ... say, 'Q' ... to represent  ' sin(2x) ' .
Here we go:

Original equation:                Q² - 0.5 Q  =  0

Factor the left side:            Q (Q - 0.5)  =  0

This equation is true if either factor is zero:


--  If  Q=0, then  sin(2x) = 0

                                 2x = 0°,  180°,  360°

                                   x = 0°,  90°,  180°


-- If  (Q-0.5) = 0, then      Q  =  0.5

                                sin(2x)  =  0.5          

                                       2x  =  30°,  150°

                                         x  =  15°,  75°


The whole collection of solutions
between  0°  and  360° :

          x = 0°,  15°,  75°,  90°,  180° .

8 0
3 years ago
The parallelogram ABCD below, line AC is a diagonal, the measure of angle ABC is 40, and the measure of angle ACD is 57. What is
Strike441 [17]

Answer:

Using properties of parallelogram and angle sum property of a triangle in the figure as shown below in the attachment

In parallelogram ABCD, AC is a diagonal.

Given:  \angle ABC = 40^{\circ} and \angle ACD= 57^{\circ}

As, we know that opposite angles in parallelogram are equal.

therefore,

\angle ABC =\angle ADC= 40^{\circ}

Now, in ΔADC

Sum of the measures of angles in a triangle is 180 degree.

\angle ACD+ \angle ADC+\angle DAC =180^{\circ}

Substituting the values of \angle ADC= 40^{\circ} and  \angle ACD= 57^{\circ}  we have;

57^{\circ}+40^{\circ}+\angle DAC =180^{\circ}

or

97^{\circ}+\angle DAC =180^{\circ}

Subtract 97^{\circ} from both sides we get

\angle DAC =180 -97 =83^{\circ}

Therefore, the measure of angle CAD is 83^{\circ}.









3 0
3 years ago
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