HELPPP PLSSS. What is the surface area of this square pyramid?
10 cm
E
D
1
...
Mathematics, 09.04.2021 18:00 ej02duncan1
HELPPP PLSSS. What is the surface area of this square pyramid?
10 cm
E
D
1
G
1
-
6 cm
F
-
с
B
12 cm
0 204 cm2
o 72 cm
O 240 cm2
o 384 cm2
Answers: 1
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If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
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