3 years ago

What is the area of this triangle?

Mathematics

2 answers:

klasskru [66]3 years ago

3 0

Answer:

Step-by-step explanation:

first you multiply the length times the width

3*6

then you divide that by two

18/2=9

sleet_krkn [62]3 years ago

3 0

Answer:

Step-by-step explanation:

I solved in the picture

Hope this helps ^-^

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Any line with a slope of -3

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Nancy buys 15 m of ribbon. Her sister buys 6 m less ribbon but pays twice as much per metre. Together they pay R66. What is the

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HELPPPP What is the volume of the square pyramid? Use Pythagorean’s Theorem to find the height of the pyramid

aalyn [17]

Answer: 4,111.7 mm³

Step-by-step explanation:

You need to use this formula to calculate the volume of the square pyramid:

$V=\frac{s^2h}{3}$

Where "s" is the lenght of any side of the square base and "h" is the height of the pyramid.

Find the height with the Pythagorean Theorem:

$a^2=b^2+c^2$

Where "a" is the hypotenuse and "b" and "c" are the legs of the right triangle. Let be "c" the height of the pyramid.

You can identify in the figure that:

$a=26mm\\\\b=\frac{23mm}{2}=11.5mm\\\\c=h$

Then, you can find the height:

$(26mm)^2=(11.5mm)^2+h^2\\\\h=\sqrt{(26mm)^2-(11.5mm)^2}\\\\h=23.318mm$

Then, knowing that:

$s=23mm\\h=23.318mm$

You can calculate the volume:

$V=\frac{(23mm)^2(23.318mm)}{3}=4,111.7mm^3$

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3 years ago

Which of the following are like terms?

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The 1, 2, 3 I’m not sure bout the 4th one

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3 years ago

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What is the ratio of hexagons to rectangles?

Butoxors [25]

Answer:

4:6

Step-by-step explanation:

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