Question

pls answer this math questions
pls help

Answer 1

a) 12,36,60,72

b) 70,80,90,120

c) 60,80,100,120

Answer 2

Your answer is here.

(a)Let the angles of the quadrilateral be x,3x, 5x, 6x.

Therefore, x+3x+5x+6x= 360

or, 15x = 360

or , x= 360/15= 24

So, the angles are 24°, 24×3=72°, 24×5= 120°, 24×6=144°.

(b) Let the angels be 7x,8x,9x,12x.

Therefore, 7x+8x+9x+12x=360

or, 36x= 360

or, x= 360/ 36= 10

Therefore, the angles are 7×10°=70°, 8×10°= 80°, 9×10°=90° and 12× 10°= 120°.

(b) Let the angles be 3x,4x,5x, 6x.

Therefore, 3x+4x+5x+6x= 360

or, 18x= 360

or, x= 360/18= 20

Therefore the angles are 3×20°=60°, 4×20°=80°, 5×20°=100° and 6×20°= 120°.