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OverLord2011 [107]

3 years ago

13

Find the area of the triangle below.

1 answer:

ss7ja [257]3 years ago

6 0

Answer:

73.72

Step-by-step explanation:

Using law of Sines in area:

A(triangle) = S1 * S2 * sin(theta) /2

A(triangle) = 12 * 15 * sin(55) / 2 = about 73.72 when rounded

ANSWER: 73.72

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Nana76 [90]

Answer:

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Step-by-step explanation:

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Alisiya [41]

Resultado:

${ \: \: \: \: \: \: \: \: \: \Rightarrow 20 + 60 + 80 = 160}$

$\: \: \: \: \: \: \: \: \: \sf \Rightarrow20+60+80=160$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: { \sf \Rightarrow160 - 100 = 60}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \Rightarrow160−100=60$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: { \sf \Rightarrow100 - 60 = 40}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: { \sf \Rightarrow100−60=40}$

$\: \: \: \: \: \: \sf \Rightarrow60 + 40 + 100 = 200$

$\: \: \: \: \: \: \: { \sf \Rightarrow60+40+100=200}$

$\bf\green{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: Answer :}$

Iris al principio tenía 40 soles.

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3 0

2 years ago

Read 2 more answers

Need help help on this question

balu736 [363]

Answer:70

Step-by-step explanation:

step 1:add up the angles you know

step 2:subtract the answer (220) from the total angle measure of a square which is 360 then you get 140

step 3: divide 140 by 2 because the two angles on the sides are equivalent and you get 70

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