Ryleetarver
19.07.2020 •
Mathematics
Pqrs is a rhombus with angle pqr is equals to 58 determine angle PRS
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Ответ:
∡PRS=61°
Step-by-step explanation:
As known the following equity is valid for the rhombus:
∡PQR+∡QRS = 180°
So ∡QRS=180°- ∡PQR
∡QRS=180°- 58°= 122°
From another hand we know that PR is bisector of ∡QRS.
So ∡PRS=∡QRS:2= 122°:2=61°
∡PRS=61°
Ответ:
2(7x/20 + 5y/4 + 3)