Answer: ∠A = 70°
because ABC is an isosceles triangle and AB = AC
=> ∠B = ∠C = 55°
=> ∠A = 180-(∠B + ∠C) = 180° - 55°.2 = 70°
Step-by-step explanation:
Step-by-step explanation:
5⁰= 1
2–3 means 1/2³
1/8
=0.125
Answer:
A = 99 cm²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = 
bh ( b is the base and h the perpendicular height )
Here b = 18 and h = 11 , then
A = × 18 × 11 = 9 × 11 = 99 cm²
Answer:
A
Step-by-step explanation:
A series is said to be convergent if |r| < 1. Where r is the common ratio of the series.
If |r| ≥ 1 then the geometric series diverges.
12/5 + 48/25 + 192/125 + ....
r = 192/125 ÷ 48/25 = 4/5
r = 48/25 ÷ 12/5 = 4/5
In the series, r is less than 1. So the series is convergent.
According to the transformation, the image of (x,y) is (x-5, y+3). Therefore, plug in the coordinates of A, or x=2, y=-1 into (x-5, y+3), and the image of A is (2-5, -1+3)=(-3, 2).
