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2 years ago

I need some help with this triangle question...

Mathematics

2 answers:

sweet [91]2 years ago

6 0

Which one dear.....please attach it

il63 [147K]2 years ago

3 0

There’s no question! Please attach one! Repost if needed. :D

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The shape below is a composite figure made up of two rectangular prisms, what is the volume of the figure?

gregori [183]

Answer:

11098 cm³

Step-by-step explanation:

Volume of top prism

V = 62 x 3 x (13 - 7)
V = 186 x 6
V = 1116 cm³

Volume of bottom prism

V = 62 x 23 x 7
V = 1426 x 7
V = 9982 cm³

⇒ Total volume = Volume (top) + Volume (bottom)

⇒ Total volume = 1116 + 9982

⇒ Total volume = 11098 cm³

5 0

2 years ago

Read 2 more answers

Martin deposits $200 in a savings account that earns 5% annual interest. Four years later, Cary deposits

lesantik [10]

Answer:

200 + (10 y)

Step-by-step explanation:

martin 200 * 5 and divide by 100 =10 per year interest 240 =M

cary 200 + 10=210 =C

200 + (10 y)

4 0

3 years ago

Read 2 more answers

Find the area of an octagon whose perimeter is 120 cm.

stira [4]

Answer:

The area of an octagon whose perimeter is 120 cm is 1086.4 $cm^{2}$

Step-by-step explanation:

An octagon is a polygon with eight sides. If the lengths of all the sides and the measurement of all the angles are equal, the octagon is called a regular octagon.

There is a predefined set of formulas for the calculation of perimeter, and area of a regular octagon.

The perimeter of an Octagon is given by

$P=8a$

and the area of an Octagon is given by

$A=2a^{2}(1+\sqrt{2})$

We know that the perimeter is 120 cm, solving for side length (a) in the perimeter formula we get

$120=8a\\\frac{8a}{8}=\frac{120}{8}\\a=15$

Now, we calculate the area

$A=2a^{2}(1+\sqrt{2})\\A=2(15)^{2}(1+\sqrt{2})\\A=450\left(1+\sqrt{2}\right)\\A\approx 1086.4 \:cm^{2}$

5 0

2 years ago

lenox ironed 1/4 of shirts over the weekend,she plans to split remainder of work equally over the next 5 evenings. what fraction

Romashka-Z-Leto [24]

(1-1/4)/5

(4/4-1/4)/5

(3/4)/5

3/20

7 0

2 years ago

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If 8 chairs cost $1,064 what is the cost of 11 chairs

evablogger [386]

1463 (1064 divided by 8= 133, 133x11)

6 0

2 years ago