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Harlamova29_29 [7]
3 years ago
15

If the perimeter of an equilateral triangle is 30 ft, what is the area?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0
The value of each side will be 10 ft, the height of it will be 5\sqrt{3}, so the area is 25\sqrt{3}
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Pls help me i need help 10 pt
Nataly [62]
Fret seems like the best option. 
5 0
3 years ago
Read 2 more answers
Help me on this one asap tyyy
Kryger [21]

Answer:

The answer is R

Explanation:

Since there are 4 sides, we divide 360 by 4 to find the amount needed to turn to move from one side to another. So we move P one side, landing on Q, then we move it 3 sides counter-clockwise (270/90=3 sides), landing on R

Hope it helps!

4 0
3 years ago
ANYONE??
RideAnS [48]
Volume of a quadrangular pyramid=(1/3)bh
b=base
h=height

b=area of the base=area of a square=8.4 ft * 8.4 ft=70.56 ft²

Pythagoras theorem:
hypotenuse²=leg₁² + leg₂²

data:
hypotenuse=9.6 ft
leg₁=height=h
leg₂=8.4 ft /2=4.2 ft

(9.6 ft)²= h² + (4.2 ft)²
92.16 ft²=h²+17.64 ft²
h²=92.16 ft²-17.64 ft²
h²=74.52 ft²
h=√(74.52 ft²)=8.63 ft.

Volume of this quadrangular pyramid=(1/3)(70.56 ft²)(8.63 ft)=202.9 ft³≈202.3 ft³

Answer: ≈202.3 ft³
5 0
3 years ago
Plz help I’m bad at math
Advocard [28]

Answer:

1 is 136, 2 is 44, annd 4 is 44

Step-by-step explanation:

6 0
3 years ago
I need this done it’s due tmr and I need each problem simplified in the lowest fraction
Ivenika [448]

Answer:

photomath

Step-by-step explanation:

theres an app where you can take a pic of your problem and it would solve it for you,including fractions. I'm pretty sure it will simplify your answers too.The app is called photomath

8 0
3 years ago
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