Questions
The straight lines 7x - 2y + 10 = 0 and 7x + 2y - 10 = 0 form an isosceles triangle with the line y = 2. The area of this triangle is equal to
detailed solution
Correct option is C
We haveB≡67,2,C≡−67,2 or BC=127,AD=3∴ ΔABC=12×127×3=187 sq. unitsTalk to our academic expert!
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Consider a point where m and n are positive integers.B is the reflection of A in the line is the reflection of B in the y-axis, D is the reflection of C in the x-axis and E is the reflection of D in the y-axis. The area of the pentagon is
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