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-Dominant- [34]
3 years ago
12

Work out the sum of the interior angles of this irregular hexagon. Does anyone know ?

Mathematics
2 answers:
Alona [7]3 years ago
8 0

Answer:

720

Step-by-step explanation:

Lunna [17]3 years ago
3 0
(n-2)180 where n is the number of sides
(6-2)180
(4)180
720 degrees!
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If quadrangles have all equal angles, are they congruent?
xenn [34]

Answer:

yes because it says all angles are the same

3 0
3 years ago
Six groups of students sell 162 balloons at the carnival .there are 3 students in each group. if each student sells the same num
Len [333]
It should be 54 because you half to divide 162 by 3


4 0
3 years ago
Find the area of the region shaded in green. Use 3.14 to approximate pi.
8090 [49]

Answer:

254 cm² (to 3 s.f.)

Step-by-step explanation:

Area of shaded region

= area of large circle -area of smaller circle

\boxed{area \: of \: circle = \pi {r}^{2} }

Radius of large circle= 15cm

Radius of smaller circle= 12cm

Area of shaded region

= π(15²) -π(12²)

= 225π -144π

= 81π

= 81(3.14)

= 254.34

= 254 cm² (3 s.f.)

3 0
3 years ago
5. The measure of an intercepted arc is 86, and the measure of the inscribed angle creating the intercepted arc is 3x +
Nonamiya [84]

Answer:

Th correct option is D. 13

Therefore the value of x is 13.

Step-by-step explanation:

Given:

measure of an intercepted arc = 86°

Center Angle = 86°

measure of the inscribed angle creating the intercepted arc= (3x+4)°

Angle Inscribed in arc = (3x+4)°

To Find:

value of x = ?

Solution:

Inscribed Angle Theorem:

The inscribed angle theorem states that an angle θ inscribed in a circle is half of the central angle 2θ that subtends the same arc on the circle.

\textrm{Angle Inscribed in arc}=\dfrac{1}{2}\textrm{Center Angle}

Substituting the values we get

3x+4=\dfrac{1}{2}86=43\\\\3x=39\\\\x=\dfrac{39}{3}=13\\\\x=13

Therefore the value of x is 13.

4 0
3 years ago
Using the scientific calculator or graphing calculator find the inverse tangent of the ratio. Round to the nearest degree. 3/1
professor190 [17]

Given:

The ratio is \dfrac{3}{1}.

To find:

Inverse tangent of the given ratio.

Solution:

We know that,

Inverse tangent of the ratio \dfrac{3}{1} = \tan^{-1}\dfrac{3}{1}

                                                 = \tan^{-1}3

Using scientific or graphing calculator, we get

Inverse tangent of the ratio \dfrac{3}{1} = 71.565^\circ

Round to the nearest degree

Inverse tangent of the ratio \dfrac{3}{1}\approx 72^\circ

Therefore, the correct option is C.

3 0
2 years ago
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