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Luden [163]
3 years ago
5

As bases mq e np de um trapézio medem 42 cm e112 cm, respectivamente. se o ângulo mqp é o dobro do ângulo pnm, então o lado pq m

ede?

Mathematics
1 answer:
snow_lady [41]3 years ago
3 0

Firstly, we will draw diagram

we will draw line qq'

which will make mqq'n as parallelogram

and we know that opposite sides of parallelograms are always equal

so, we get

mq=nq'

we are given

mq=42

so,

nq'=42

we can see that q' lies on np

so, we can write as

np=nq'+q'p

we are given

np=112

so, we can plug these values

112=42+q'p

q'p=112-42

q'p=70

now, we can see that

triangle qpq' forms isosceles triangle

so, we get

pq=q'p

pq=q'p=70

so,

pq=70............Answer


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