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3 years ago

In a right triangle whose area is 12,each leg is as long as the side of a certain square. What is the area of the square?

Mathematics

1 answer:

jasenka [17]3 years ago

7 0

Whoever worded this question is a sadist, however this is what i think it was asking lol

A right triangle is half the size of a square. So if its area is 12, the square is 24. If our squares sides are 6. If that is true or triangles outer sides are 6 as well. To summarise:

Your square has an area of 24. Your triangle an area of 12, and their sides are 6.

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A man 6 feet tall casts a shadow that is 11 feet long. A building casts a shadow of 139 feet long. The building is tall. Round y

dmitriy555 [2]

Given:

Height of man = 6 ft

Height of man's shadow = 11 feet

Height of building's shadow = 139 feet

To find:

The height of the building.

Solution:

We know that the heights of the objects and there shadows are always proportional.

$\dfrac{\text{Height of man}}{\text{Height of man's shadow}}=\dfrac{\text{Height of the building}}{\text{Height of building's shadow}}$

Let x be the height of the building.

$\dfrac{6}{11}=\dfrac{x}{139}$

Multiply both sides by 139.

$\dfrac{6}{11}\times 139=x$

$\dfrac{834}{11}=x$

$75.8181...=x$

$x\approx 75.8$

Therefore, the building is 75.8 feet long.

8 0

2 years ago

Can someone help me with this or give me a link to the answers please

lana [24]

sorry it can't fit the other half

5 0

2 years ago

The lunch special at Jimmy John’s costs $5.60. The math club has $50.40 in its treasury. How many lunch specials can the club bu

dolphi86 [110]

Answer:

x=9

Step-by-step explanation:

Equation: 5.60x=50.40

Solve: 5.60x=50.40

Divide both sides by 5.60 ( 5.60x/5.60 ) and ( 50.40/5.60 )

x=9

5 0

2 years ago

I have one last question I need help with.

klio [65]

Just the first one, r is 4x+2, and h is 5x+4, plug them into the formula pls

7 0

3 years ago

Help please!!!!!!!!!

SOVA2 [1]

Find the area of the triangles and smal ler square and add them together ; and find the area of the complete square and set them equal to each other (these are known truths)
triangle: l×w /2
square: s^2
There are 4 triangles so

4 (1/2ab)+c^2= (a+b)(a+b)
simplify

2ab+c^2= a^2+2ab+b^2
-2ab both sides

c^2=a^2+b^2

tada!! it's proven :)

6 0

3 years ago