Answer:
∠p= 15° , ∠q = 108° , ∠r = 57°
Step-by-step explanation:
Given that for triangle PQR,
∠P = x -12
∠q = 5x -27
∠r = 2x + 3
Now sum of three angles of a triangle = 180°
i.e ∠p + ∠q +∠r = 180°
So, (x -12)° + (5x-27)° + (2x + 3)° = 180°
or, 8x° -36° = 180°
Or x =
So, x = 27°
∴ ∠P = 27° -12° = 15°
∠q = (5 × 27)° -27° = 108°
∠r = (2 × 27)° + 3° = 57°
Hence ∠p= 15° , ∠q = 108° , ∠r = 57° Answer
Answer:
4.5 -3
Step-by-step explanation:
Answer:
B) -12.4 + 20.6s
Step-by-step explanation:
width = (3.1s - 1.6) cm
Length = (7.2s - 4.6) cm
Perimeter of rectangle = 2* (length +width)
= 2 *(7.2s - 4.6 + 3.1s - 1.6) {add like terms}
= 2* (<u>7.2s + 3.1s</u> - 4.6 - 1.6)
= 2*( 10.3s - 6.2) {distributive property}
= 2*10.3s - 2*6.2
= 20.6s - 12.4
Answer:
(1, -4.5)
Step-by-step explanation:
Given points are: (4, -6) and (-2, -3)