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Goryan [66]
3 years ago
10

Faind the volume of the following Traignular Pyramid. Round to the nearest whole number

Mathematics
1 answer:
gladu [14]3 years ago
8 0

Answer:

V = 317 1/3 cubic units

Step-by-step explanation:

V = 1/3 · Area of Base · Height

V = 1/3 · 1/2(14 x 8) · 17

V = 1/3 · 56 · 17

V = 317 1/3

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sergeinik [125]

Answer:

F for number 14

Step-by-step explanation:

8 0
3 years ago
Surface area???????????
MAVERICK [17]

Answer:

The option B is the correct answer. 79.18 m²

Step-by-step explanation:

Surface area = Base area +  Lateral surface area

Area of triangle = bh/2

b - base and h - height

<u>To find the base area</u>

We can consider the base is a hexagon.

A regular hexagon is a combination of 6 equilateral  triangle

Base area = 6 * area of triangle

base b = 3

<u>To find the height</u>

h =√[(6.2)² - (5.6)₂] = 2.7

Area of triangle bh/2 = (3 * 2.7)/2 = 3.99

Area of base = 23.95

To find lateral surface area

Lateral surface area = 6 * area of triangle

Area of triangle = bh/2 =(3 *6.2)/2 = 9.3

Lateral surface area = 6 * 9.3 = 55.8

<u>To find the total surface area </u>

Total surface area = Base area + lateral surface area = 23.95 + 55.8

= 79.75 m²

Therefore the option B is the correct answer. 79.18 m²

7 0
3 years ago
4.89 gallons of milk is sold for $12.79. If you have $21.44 in your wallet. How many
Mariulka [41]

Answer:

You can buy 8.18 gallons of milk.

Step-by-step explanation:

12.79/4.89 = 2.62

21.44/2.62 = 8.18

5 0
4 years ago
_ Is –7 + 9 positive or negative
Yanka [14]

Answer:

Positive 2

Step-by-step explanation:

its like ur subtracting 9+ (-7)

its basically 9-7=2

but not all problems r like this.

Brainlest plz

5 0
3 years ago
An experienced carpenter could build a house in 5 days. How much would he have finished if he worked for 3 days?
kodGreya [7K]
I think it would most likely be  3/5
4 0
4 years ago
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