angelrenee2000
18.07.2019 •
Mathematics
Given: klmn is a trapezoid m∠k = 90°, m∠n = 45° lk = lm = 10 find: kn, area of klmn
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Ответ:
and MS=SN=10.KN =KS +SN =10+10=20
KN=20Area of a trapezoid = (1/2)*(b1+b2)*h
b1=10, b2=20, h=10Area of a trapezoid = (1/2)*(10+20)*10=150Area of trapezoid KLMN =150KN=20
Ответ:
Explanation:
The point-slope formula states: (y−y1)=m(x−x1)
Where m is the slope and (x1y1) is a point the line passes through.
Substituting the slope and values from the point in the problem gives:
(y−−1)=−3(x−2)
(y+1)=−3(x−2)
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Step-by-step explanation:
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