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3 years ago

Geometry help please!

Mathematics

1 answer:

zlopas [31]3 years ago

6 0

Since both triangles share the leg SQ, using the reflexive property SL=SL, the triangles are congruent by HL

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A figure is composed of a semicircle and a right triangle. Determine the area of the shaded region. Use 3.14 for π and round to

Aliun [14]

Answer:

$A=9.5\ ft^2$

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of triangle plus the area of semicircle

$A=\frac{1}{2}bh+\frac{1}{2}\pi r^{2}$

we have

$b=4\ ft$

Find the height of the right triangle applying the Pythagorean Theorem

$5^2=h^2+4^2$

$h^2=9\\h=3\ ft$

The radius of the semicircle is half the height of triangle

$r=3/2=1.5\ ft$

substitute in the formula

$A=\frac{1}{2}(4)(3)+\frac{1}{2}(3.14)(1.5)^{2}$

$A=6+3.5=9.5\ ft^2$

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3 years ago

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Help! Please look at the pic and help me!

inna [77]

Answer:

Step-by-step explanation:

equilateral triangle has all sides So,

perimeter = a+b+c= 12+12+12=36

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3 years ago

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What is 7.8 x 10^5 hours in days?

dimaraw [331]

3.250 x 10^4, will be the correct answer.

Thanks,

Deku ❤

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3 years ago

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Two boxes of identical birthday candles are pictured: a 2-ounce box and a 6-ounce box. There are 96 candles in the large box. Ho

Lostsunrise [7]

Ratio of large box
96:6
Thus 96/6 = 16

Small box
2*16 = 32
There are 32 candles in the small box.

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3 years ago

If the standard deviation for a set of data is 0, which of the following must be true?

luda_lava [24]

Answer:

C. All of the data values are identical.

Step-by-step explanation:

If the standard deviation for a set of data is 0, then all of the data values are identical.

When a standard deviation is 0, then the variance is also 0 and the mean of the deviation that is squared is also 0, thereby making all the values identical to the mean, that is 0.

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3 years ago