ferguag15stu
13.02.2020 •
Mathematics
Could someone please help and answer this? Ty :))
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Ответ:
Step-by-step explanation:
Angle JKL is similar to angle PQR. This means that the ratio of the length of each side of ∆JKL to the length of the corresponding side of ∆ PQR is constant. Therefore,
JK/PQ = KL/QR = JL/PR
Therefore,
x/28 = 38/42
Cross multiplying, it becomes
x × 42 = 28 × 38
42x = 1064
Dividing the left hand side and the right hand side of the equation by 42, it becomes
42x/42 = 1064/42
x = 25.33 rounded up to the nearest 2 decimal places.
Ответ:
All you have to do here is apply the rule (x−4, y+6) to each point. The resulting points are as follows:
(0,-1)→(-4, 5)
(8,2)→(4,8)
(4,-4)→(0,2)