Answer:
1)Area; A = ¼πr²
Perimeter; P = πr/2 + 2r
2)A = 19.63 cm²
P = 17.85 cm
3) r = 8.885 cm
4) r = 14 cm
Step-by-step explanation:
This is a quadrant of a circle. Thus;
Area of a circle is πr². A quadrant is a quarter of a circle. Thus;
Formula for Quadrant Area is; A = ¼πr²
A) Perimeter of a circle is 2πr. Thus, perimeter of a quadrant is a quarter of the full circle perimeter.
Formula for the quadrant perimeter in the image given is;
P = 2πr/4 + 2r
P = πr/2 + 2r
B) When r is 5 cm;
A = ¼π(5)²
A = 19.63 cm²
P = π(5)/2 + 2(5)
P = 17.85 cm
C) when A is 100cm²:
¼πr² = 100
r² = 100 × 4/π
r² = 78.9358
r = √78.9358
r = 8.885 cm
D) when P = 50 cm.
50 = πr/2 + 2r
50 = (½π + 2)r
r = 50/(½π + 2)
r = 14 cm
Step-by-step explanation:
stem = 2
leaf = 9
=> the largest number of tigers = 29
Answer:
i dont know i am so sorry
Step-by-step explanation:
good luck with it though
Answer:
h = b(√3)/2
Step-by-step explanation:
The ratio of base to height of an equilateral triangle is ...
... b/h = 2/√3
Multiplying both sides of the equation by (√3)h/2, we get
.. h = b(√3)/2 . . . . . . your equation with h as the subject
Answer:
-7
Step-by-step explanation:
56/-8
divide by assuming the - does not exist then in the answer add the negatibe sign
56/8 =7
= -7
