Answer:
not enough info, make another question with the problem attached
Step-by-step explanation:
Answer:
C = 6.28r
Step-by-step explanation:
If the circumference of a circle is C, then C = 2(3.14)r, where r is the radius.
Then C = 6.28r
Answer:
5-2√10
Step-by-step explanation:
5-2√10
break them down
√25=5
so 5-√40
then simplify
5-2√10
<span>Its a RIGHT ANGLED TRIANGLE.
GIVEN:
hypo=25
opposite and adjacent=15 and 20.
FORMULA:
hypotenuse^2 =opposite side^2 + adjacent side^2
25^2=15^2+20^2
625=225+400
400+225=625
so its a right angled triangle....................
understand??</span>
