1.

If the three angles of a triangle are: $${\left(x + 15 \right)^ \circ },$$$${\left({\frac{{6x}}{5} + 6} \right)^ \circ }$$and $${\left({\frac{{2x}}{3} + 30} \right)^ \circ }$$then the triangle is:

A. sosceles
B. quilateral
C. ight angled
D. calene
Answer» C. ight angled


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