Answer:
± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ±
Answer:
Sorry, but I can't see this well! I am on lapton, and it is impossible to tilt the whole thing over.
A triangle has an inner angle sum of 180°
you have an angle of 30°, x° and one congruent to the x° one
so 30+x+x=180
2x=150
x=75°
Answer:
A = 10.9 cm^2
Step-by-step explanation:
If a circle has a radius of 13 and a sector defined by a 7.4 degree arc, the area, in cms, of the sector is 10.9 cm^2 or 10 cm^2 to the nearest tenth.
Answer:
Circular shapes - They are those planner shapes that represent the locus of all the points that has a constant distance from a fixed point on the plane. This constant distance is termed as the radius of the circle and the fixed point is known as the center of the circle.
The center of the circle is enclosed by all the points on its periphery.
The circumference of the circle is the total length of its periphery around the center.
Concentric circles are two circles that have the same center
Step-by-step explanation:
