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2 years ago

I have four sides i have two 70degree angles and two 110 degree angles what am I?

1 answer:

5 0

A quadrilateral has 4 sides. A parallelogram has opposite angles that are equal.
So your answer would be a parallelogram.

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0.9d-2.1f<br> Helpp!!❗‼️

IceJOKER [234]

Step-by-step explanation:

0.9(17) -2.7(3) =

15.3-8.1

=7.2

8 0

2 years ago

An astronaut who weighs 95 kilograms on Earth weighs 15.8 kilograms on the Moon. How much would a person weigh on the Moon if th

shutvik [7]

I do not know but u should pay more respect

8 0

2 years ago

A man buys 6 ½ of petrol daily. How many litres of petrol does he purchase in six days

nalin [4]

Answer:

39 liters

Step-by-step explanation:

6.5×6=39

so 39 litres

6 0

1 year ago

Apples and tangerines were sold in the ratio of 6 to 4.

dimaraw [331]

Answer:

100.

Step-by-step explanation:

By proportion the number of apples sold is (6/4) * 40

= 6 *10

= 60.

Total fruit = 40 + 60 = 100.

6 0

1 year ago

Read 2 more answers

Forces of 9 lbs and 13 lbs act at a 38º angle to each other. Find the magnitude of the resultant force and the angle that the re

fiasKO [112]

Answer: $R=20.84\ lb\quad 22.57^{\circ},15.43^{\circ}$

Step-by-step explanation:

Given

Two forces of 9 and 13 lbs acts $38^{\circ}$ angle to each other

The resultant of the two forces is given by

$\Rightarrow R=\sqrt{a^2+b^2+2ab\cos \theta}$

Insert the values

$\Rightarrow R=\sqrt{9^2+13^2+2(9)(13)\cos 38^{\circ}}\\\Rightarrow R=\sqrt{81+169+184.394}\\\Rightarrow R=\sqrt{434.394}\\\Rightarrow R=20.84\ lb$

Resultant makes an angle of

$\Rightarrow \alpha=\tan^{-1}\left( \dfrac{b\sin \theta}{a+b\cos \theta}\right)\\\\\text{Considering 9 lb force along the x-axis}\\\\\Rightarrow \alpha =\tan^{-1}\left( \dfrac{13\sin 38^{\circ}}{9+13\cos 38^{\circ}}\right)\\\\\Rightarrow \alpha =\tan^{-1}(\dfrac{8}{19.244})\\\\\Rightarrow \alpha=22.57^{\circ}$

So, the resultant makes an angle of $22.57^{\circ}$ with 9 lb force

Angle made with 13 lb force is $38^{\circ}-22.57^{\circ}=15.43^{\circ}$

7 0

2 years ago

Read 2 more answers