Answer:
X = 50
Step-by-step explanation:
180-80=100. 100/2=50
50+50+80=180
All angles add,up to 180
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Answer:
9.75 is the answer rounded to 10.
10 is the final answer
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The answer to 29×97 would be 2813
Surface area = 56 cm2
Explanation:
Area of square base = Side x Side = 4 x 4 = 16 cm2
Area of triangle = 1/2 x Base x Height = 1/2 x 4 x 5 = 10 cm2
Area of 4 triangles = 10 x 4 = 40 cm2
Surface area of pyramid = 16 + 40 = 56 cm2