Triangles ABC and DEF are right triangles, as shown \triangle ABC is simil

podnescijy

podnescijy

Answered question

2021-11-17

Triangles ABC and DEF are right triangles, as shown ABC is similar to DEF

Which ratios are equal to cos(B)? Choose the TWO ratios that apply.

Answer & Explanation

Donald Proulx

Donald Proulx

Beginner2021-11-18Added 18 answers

Solution: Given that ABC and DEF are right triangle and ABCDEF
Now as we know
cosθ=BaseHypotancous
cosB=BCAB
Step 2
Now by similarity ratio property we know
ABDE=BCEF
EFDE=BCAB
from (1) and (2)
cosB=EFDE

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