Answer: -2a + 3b
Solution:
3b - 2a
Simplify
= -2a + 3b
The formula for circumference of a circle
=
2
π
r
The radius
=
3
c
m
(assuming units to be in cm)
2
π
r
=
2
×
22
7
×
3
=
132
7
=
18.86
c
m
Answer:
not answerable
Step-by-step explanation:
Answer:
3. Given: R is the midpoint of both PT and QS and TSR. ∆ are right triangles. Prove: PQR. ∆. ~ TSR. ∆. 5. Given: AB = CB = 9 cm.
Step-by-step explanation:
Answer:
bottom left
Step-by-step explanation:
All of the others follow a pattern of addition or subtraction