Mathematics, 17.06.2021 20:10, glowbaby123
Triangle MNO is similar to triangle RPO.
Triangle M N O. Side M N is 20 kilometers and side M O is 32 kilometers. Triangle R P O. Side O R is 48 kilometers.
Valek finds the distance between P and R. His work is shown below.
Step 1 StartFraction 32 Over 48 EndFraction = StartFraction 20 Over P R EndFraction
Step 2 20 P R = (32) (48)
Step 3 20 P R = 1,536
Step 4 P R = 76.8 kilometers
What is Valek’s first error?
Valek did not correctly divide 1,536 by 20 going from step 3 to step 4.
Valek did not find the correct product of 32 and 48 going from step 2 to step 3.
Valek should have written the proportion in step 1 as StartFraction 32 Over 20 EndFraction = StartFraction P R Over 48 EndFraction.
Valek should have written the cross-product in step 2 as 32 P R = (20) (48)
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Triangle MNO is similar to triangle RPO.
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