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Komok [63]
3 years ago
13

A painter needs to find the area of

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer:

3042

Step-by-step explanation:

1/2 * 81 * 81 * sin(112) = 3041.6266

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I need help with this please.
mote1985 [20]

Answer:

37.5

Step-by-step explanation:

It uses Sin and the law of Sin says that the ratio of given sides and an angle is always constant

3 0
4 years ago
Read 2 more answers
In parallelogram ABCD below, line AC is a diagonal, the measure of angle ABC is 40 degrees, and the measure of angle ACD is 57 d
Lorico [155]

Answer:

The measure of angle CAD is 83 degrees.

Step-by-step explanation:

Given information: ABCD is a parallelogram, AC is a diagonal, \angle ABC=40^{\circ} and  \angle ACD=57^{\circ}.

The opposite sides of parallelogram are congruent.

The diagonal AC divides the parallelogram in two congruent triangles.

In triangle ABC and ADC,

AB\cong CD                                     (Opposite sides of parallelogram)

\angle ABC\cong \angle ADC         (Opposite angles of parallelogram)

BC\cong DA                                     (Opposite sides of parallelogram)

By SAS postulate,

\triangle ABC\cong \triangle CDA

Since we know that opposite angles of parallelogram are equal, therefore

\angle ABC\cong \angle ADC

\angle ADC=40^{\circ}

According to the angle sum property the sum of interior angles of a triangle is 180 degrees.

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

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

\angle CAD=83^{\circ}

Therefore the measure of angle CAD is 83 degrees.

6 0
3 years ago
What is the equation of the line that passes through the point (6,-4) and has a<br> slope of -1/6
Mademuasel [1]

Answer:

y = -1/6x-3

hope this helps

7 0
3 years ago
Read 2 more answers
Is the function linear or nonlinear?<br> y=1/x
Arlecino [84]

Answer:

nonlinear

Step-by-step explanation:

To be linear, the power on x and y has to be 1

y = 1/x

y = x^-1

-1 is not the same as 1

This is not linear

3 0
4 years ago
How many times does 41 go into 1,649
Zarrin [17]
40*41=16401649

There are 40 times 41 in 1649
6 0
3 years ago
Read 2 more answers
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