Answer:
=
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, assuming m of angle ABD is 90 degrees, then you would add and then solve.
2x+14+x+7=90
3x+21=90
3x=69
=
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, !
Answer:
1/2 ×4 ×3=6
base is 4
and 3 is height
the answer is 6 as you multiply 1/2 ×base ×height
Answer: (2,7) (-2,-9) (3,11) (-3,-13)
Step-by-step explanation:
(2)(2)+(2)(2)-1 = 7
(2) (-2)+(2)(-2)-1 = -9
(3)(2)+(2)(3)-1 = 11
(-3)(2)+(2)(-3)-1 = -13
The first board is approximately 0.45 the second board is approximately 0.9 and the third board is approximately 19.8