Let ΔABC be an obtuse triangle with sides a, b, c, that lie
opposite the angles A, B, C; with radius r of inscribed circle and
radius R of circumscribed circle; p semiperimeter. For obtuse triangle you can use all known area formulas:
1.
; (the area is equal to half of product of two sides and sine of angle that lies between these sides);
2.
;
3.
(Heron's formula);
4.
;
5.
.
Answer:
B
Step-by-step explanation:
DSAWFYYAGGDSFHDSGFH FHSDGJHFGSDHJ SDFJKSHFJSH B HGJJHGJ
It will always be positive because distance can never be negative. No matter how far "backwards" you travel from a point, you are still traveling the same distance from that point, regardless of which direction you are traveling in.
Answer:
5
Step-by-step explanation:
Change 6 1/4 into an improper fraction
6 1/4 = (4*6 +1)/4 = 25/4
Multiply by the fraction
25/4 * 4/5
5
There are 5 gallons left
Answer:
Step-by-step explanation:
Let the number of floors = x
Number of apartments per floor = 4x
4x *x = 100
4x² = 100
x² = 100/4
x² = 25
x =√25
x = 5
Number of apartments on each floor = 4*5 = 20
