4 years ago

Can someone help me with this

Mathematics

1 answer:

Anastasy [175]4 years ago

6 0

Answer:

Yes

sum of angle = 180°

First diagram

R+D+E=180°

110°+28°+E=180°

138°+E=180°

E=180°-138°

E=42°

Second diagram

T+V+A=180°

T+28°+42°=180°

T+70°=180°

T=180°-70°

T=110°

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Alright

for a 45-45-90 triangle, if the legs are x then the hytponuse is x√2

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