Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 decade ago

need help with math please?

1.in triangle PQR, PQ is extended through Q to point T, forming exterior <RQT.if m<RQT=70 and m<R=10,find m<P

2.AB intersects CD at e; m<AEC=2x=10;m<AED=3x-30

a.findx

b.show that AB is perpindicular to CD

1 Answer

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  • 1 decade ago
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    m<p = 60 degrees

    Do you mean m<AEC = 2x-10? or 2x+10? regardless, you could solve it this way:

    If you know that AB and CD are perpendicular, then 3x-30=90 degrees. solve for x, you find that x=40 degrees.

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