The distance around a CIRCLE is called the circumference
Answer:
x²+(1/x²) = 47
Step-by-step explanation:
by identity : (a+b)² = a²+b²+2ab
(x+1/x)²= x²+(1/x)²+2(x)(1/x)
(x+1/x)²= x²+(1/x²)+2....(1)
since : (x²+1)/x = 7
(x²/x) +(1/x) = 7
x + (1/x )= 7
put the value for : x +(1/x) in (1) :
49 = x²+(1/x²)+2
x²+(1/x²) = 47
Angle SUR and PUQ are vertical angles and both = 42°
Line QS is a diameter and so angle PUQ + PTU + TUS = 180°
42° + 64° + angle TUS = 180° Therfore, angle TUS = 74°
Angle QUR + SUR = 180°. Therefore, angle QUR = 138°
Answer:
36 questions answered correctly
Step-by-step explanation:
8/10 = ?/45
8/10 = 36/45
Answer:
160cm^2
The area of the rectangle minus the area of the right angled triangle (20×10-8×10÷2)
