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d1i1m1o1n [39]
3 years ago
12

The measure of EFH is twice the measure of GFH. What is the

Mathematics
1 answer:
Vladimir [108]3 years ago
8 0

Answer:

30° =  m∠GFH

Step-by-step explanation:

Since ∠EFH and ∠GFH are complementary, the sum of their measures i 90.

Let x = m∠GFH

2x = m∠EFH

m∠GFH + m∠EFH = 90

x + 2x = 90

3x = 90

x = 30° =  m∠GFH

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soldier1979 [14.2K]

x and x+4 are the numbers

3x=2(x+4)

3x=2x+8

3x-2x=8

x=8

x+4=12


3 0
2 years ago
Find the area of the circle. Leave your answers in terms of pi.
Savatey [412]

Answer:

49pi m^2

Step-by-step explanation:

Area of circle=pi r^2

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3 0
2 years ago
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Round 23 to the nearest ten
svetlana [45]

Answer:

20

23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.

7 0
3 years ago
Read 2 more answers
Please help me !!!!!!!!!!!!
Law Incorporation [45]
∠A+∠B=∠ACD
So, ∠A=93-31=62°
I think it mean that, right?
8 0
3 years ago
A wheel of diameter 50.0 cm starts from rest and rotates with a constant angular acceleration of 2.00 rad/s^2. At the instant th
Kruka [31]
R = 25 cm = 0.25 m
α = 2.00 rad /s²
T(heta) = 4 π
ω = T(heta)/ t
ω = α t
α t = 4 π / t
t ² = 2 π
t = √ ( 2π )  = 2.5 s
ω = α t = 2 · 2.5 = 5 rad/s
v = ω r = 5 · 0.25 = 1.25 m/s
(1)    a (rad) = ω² r = 25 · 0.25 = 6.25 m/s²
(2)    a (rad) = v² / r = ( 1.25 )² / 0.25 = 0.15625 / 0.25 = 6.25 m/s²
8 0
3 years ago
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