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LiRa [457]
3 years ago
14

What is the measure of

Mathematics
2 answers:
lilavasa [31]3 years ago
3 0

Answer:

30 degrees

Step-by-step explanation:

∠BAC= ∠DAE (vert. opp. ∠s)

(x +10)°= (2x -10)°

x +10= 2x -10

<em>Bring</em><em> </em><em>constants</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em>,</em><em> </em><em>x</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>:</em>

2x -x= 10 +10

x= 20 <em>(</em><em>simplify</em><em>)</em>

∠BAC= (x +10)°

∠BAC= (20 +10)° <em>(</em><em>substitute</em><em> </em><em>x</em><em>=</em><em>2</em><em>0</em><em>)</em>

∠BAC= 30°

Zigmanuir [339]3 years ago
3 0

Answer:

<bac=30°

Step-by-step explanation:

<bac=<ead (being vertically oppoaite angles)

(x+10)=(2x-10)

10+10= 2x-x

20°=x

now

<bac=(x+10)°

<bac=(20+10)°

so,<bac=30°

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3 0
4 years ago
What is the measure of the angle formed by the minute hand and the hour hand of a clock when the clock shows 4:35? A. 72.5° B. 9
Kruka [31]
A) Minute Hand:
in 1 hour (= 60 minute) the minute hand travels 360 °
So in each minute, the minute hand travels 360/60 = 6°
And in x minute it will travel x.(6°)

B) Hour Hand:
in 1 hour (= 60 minute) the hour hand travels 360/12 = 30°
So in each minute, the hour hand will travel 30°/60° = 0.5°
And in x minute it will travel x.(0.5°)

ANGLE AT 4:35?

At 4:00, angle = 4. 30 = 120°
After 35 minutes, the minute hand strops at 35.(6°) = 210°, but during this 35 minute, the hour hand traveled 35.(0.5) = 17.5°, on top of its 120°, that makes an angle of 137.5°

So at 4:35 the angle between the hour & minute hand = 210°-137.5° =72.5°

Answer A


8 0
3 years ago
HURRY GIVING BRAINLIEST !!
sashaice [31]
Answer:
15ft
Step-by-step explanation:
If you redraw it and use a ruler it will be 15 feet.
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2 years ago
What is the area of a rectangle measuring 25 feet long by 8 feet wide
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