Find the area as iff it was a rectangle, then subtract the area of the triangle in the top left corner.
Area of rectangle = 20 x 18 = 360
Area of triangle = 1/2 x 4 x 3 = 6
Area of pentagon = 360 - 6 = 354 cm^2
See picture:
Answer:
x = -3
Step-by-step explanation:
To solve:
Simplify: -2x+7x is 5x, and -12-3 is -15. 5x=-15 is the new equation, divide by 5 and x is -3.
Step-by-step explanation:
92°
as the has given pair of angle is Alternate Exterior angle so they have same values.
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Answer:
They are a Pythagorean triple that forms a right triangle
Step-by-step explanation:
a2 + b2 = c2
(5)^2 + (12)^2 = (13)^2
25 + 144 = 169
(13)^2 = 169
