Since triangle DEF = triangle JKL, m<D = m<J, m<E = m<K, m<F = m<L.
m<F = m<L = 90 degrees
m<K = m<E = 5(m<D)
but m<E + m<D = 90 degrees [right angled triangle]
5(m<D) + m<D = 90 degrees
6(m<D) = 90 degrees
m<D = 90 / 6 = 15 degrees.
Solve for x by simplifying both sides of the equation, then isolating the variable.
x = 10
Answer:
Step-by-step explanation:
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<1=97°
steps:
<1+83=180 co interior angle
<1=180-83=97°