3 years ago

What is the length of ED

Mathematics

1 answer:

STALIN [3.7K]3 years ago

4 0

Answer:

ED ≈ 2.6 units

Step-by-step explanation:

Using the Sine rule in Δ DEF

$\frac{FD}{sin115}$ = $\frac{ED}{sin20}$

$\frac{6.95}{sin115}$ = $\frac{ED}{sin20}$ ( cross- multiply )

ED sin115° = 6.95 sin20° ( divide both sides by sin115° )

ED = $\frac{6.95sin20}{sin115}$ ≈ 2.6 ( to the nearest tenth )

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