Question

.In triangle PQR, angle R=90°,RQ= RP, then angle P= *​

Answer 1

Step-by-step explanation:

You may be confused by your terminology. It is common to use lower case letters to represent the side opposite the upper case angle. In this terminology we have

P = 30; Q = 60; R = 90

p+q = 6; r = ???

The Sin rule gives:

p/sin(P)=q/sin(Q)=r/sin(R)

2p=2q/3–√=r

p+q=r/2+3–√r/2

6=r(12+3√2)

r=121+3–√

Answer 2

Answer:

angle p = 45 degree

Step-by-step explanation:

in triangle PQR, we have R = 90 degree and RP = RQ

so, angle P = angle Q

so p = q

therefore, by angle sum property,

angle R + angle P + angle Q = 180 degree

90 degree + p + q = 180

since q = p,

p + p = 180 - 90

2p = 90

p = 90/2

angle p = 45 degree

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