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siniylev [52]
3 years ago
8

in parallelogram JKLM, the ratio of the measure of angle J to the measure of angle M is 5:4. Find the measurement of angle J and

the measurement of angle M.
Mathematics
1 answer:
Helga [31]3 years ago
5 0
Since we know that these two are consecutive angles and consecutive angles add up to 180 deg, we can come up with the equation 4x +5x =180. Solving this out shows us that x = 20 and the measure of angle J is 100 deg while the measure of angle M is 80 deg. 
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