Question

construct a triangle STU in which angle=70,angle u=80 and tu=6.5cm.
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Answer 1

Answer:

∠S=180∘−(60∘+70∘)

=180∘−(130∘)

=50∘

For construction:

Draw TU=7.5cm make from T with respect to TU,make from U with respect to

TU,the point where the two lines meet is S.