3 years ago

Help on problem 11 plz

1 answer:

4 0

Dalam suatu perlombaan seorang pembalap sepeda menempuh lintasan berbentuk lingkaran dengan jari jari 500 mjika pembalap tersebut menempuh jarak 15.700 m maka jumlah putaran yang di tempyh...

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2 years ago

Find the measure of angle 2.

raketka [301]

Answer:

$m\angle 2=58^o$

Step-by-step explanation:

see the attached figure with letters to better understand the problem

step 1

Find the measure of arc BC

we know that

$arc\ AB+arc\ BC+arc\ AC=360^o$ ----> by complete circle

substitute the given values

$156^o+arc\ BC+88^o=360^o$

$244^o+arc\ BC=360^o$

$arc\ BC=360^o-244^o=116^o$

step 2

Find the measure of angle 2

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The inscribed angle is half that of the arc it comprises.

$m\angle 2=\frac{1}{2}[arc\ BC]$

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$m\angle 2=\frac{1}{2}[116^o]=58^o$

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2 years ago