nelackers01 nelackers01

09-06-2018
Mathematics

contestada

What is the measure of
1.26 degrees
2.42 degrees
3.45 degrees
4.64 degrees

What is the measure of 126 degrees 242 degrees 345 degrees 464 degrees class=

Respuesta :

Banabanana Banabanana

09-06-2018

cos ∠PRQ = PR/QR = 12.7/14.1 ≈ 0.9 ⇒ m∠PRQ ≈ 26°

If you're looking for m∠PQR, then:
m∠PQR = 90° - m∠PRQ ≈ 90° - 26° ≈ 64°

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