area of any triangle = (1/2)*base*height
.
you can consider the
hypotenuse as the base
and the
leg as the height
.
(1/2)(68)(60)
(68)(30)
2040 square millimeters
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The area is 960mm2To find the other angle you use pythagoras' theorem.682=602+x24624=3600+x2x2=1024x= 32The area of a triangle is half length by height:32/2 is 16. 16x60 = 960mm2
The answer is (60/68)*100% = 88.235%.
60% off of 68 = 68 - (0.6 x 68)= 27.2
40% off of 68 = 60% of 68 = 68*60/100 = 40.8
60