Answer:
-7
Step-by-step explanation:
Square numbers always have two possible roots: a positive and negative root. This is because two positive numbers multiply to make a positive number and two negative numbers also multiply to make a positive number
-7 × -7 is still 49, just like 7 × 7
Hope this helps!
Answer:
10.90⁰
11.126⁰
12.54⁰
13.180⁰
Step-by-step explanation:
CDE is 180⁰ because it is a straight line
Area= base + base / 2 then multiply the height.
Example: 6+7 /2*6= 39
A-9 2/3 B-3 3/8 C-5 D-4 1/5
Multiply 6 by 2 and add 6cm. the radius is half of the diameter so just multiply by two and add the number.
