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3 years ago

15

Ep-43 what does the letter "b" on a b-1 fire extinguisher indicate??

2 answers:

Svetradugi [14.3K]3 years ago

4 0

<span> B determines the type of fire that can be extinguished, and in this case, it would be flammable liquids such as gasoline, grease, oil, diesel fuel, and kerosene.</span>

hram777 [196]3 years ago

3 0

Answer:

The letter "b" indicates it is effective against flammable liquid fires.

Step-by-step explanation:

The letters on fire extinguishers represents the class of fire for which they can be used.

The letter "b" here indicate the b-1 extinguisher is effective against flammable liquid fires. These can be fires where cooking liquid , oil , gasoline , kerosene or paint.

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Answer:

The area of a rhombus is $18\sqrt{3}$ square units.

Step-by-step explanation:

Side length of rhombus = 6 units.

Interior angle of rhombus = 120°

another Interior angle of rhombus = 180°-120° = 60°.

Draw an altitude.

In a right angled triangle

$\sin \theta=\frac{opposite}{hypotenuse}$

$\sin (60)=\frac{h}{6}$

$\frac{\sqrt{3}}{2}=\frac{h}{6}$

Multiply both sides by 6.

$3\sqrt{3}=h$

The height of the rhombus is $3\sqrt{3}$ .

Area of a rhombus is

$Area=base\times height$

$Area=6\times 3\sqrt{3}$

$Area=18\sqrt{3}$

Therefore, the area of a rhombus is $18\sqrt{3}$ square units.

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Step-by-step explanation:

Given

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