3 years ago

How many groups of 10 are in 60?

Mathematics

1 answer:

zheka24 [161]3 years ago

7 0

Answer:

Step-by-step explanation:

10, 10, 10, 10, 10, 10. Those are 6 tens

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Maslowich

This polygon is composed of a right triangle and a parallelogram.

The area of right angle :
$A_\Delta=\frac{1}{2}\cdot15\cdot8=\frac{1}{2}\cdot120=\boxed{60\ (cm^2)}$

The area of the parallelogram:
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The area of the polygon is equal: $A=A_\Delta+A_P$

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Answer:

Answer A

Step-by-step explanation:

Approach 1

B, C, and D are wrong because angles 1 and 2 are congruent.

Therefore your answer of both being 60°

Approach 2

Let x = angle 1.

360/x = 6

x = 60°.

Therefore Angle 1 is 60°

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y is half of 120°

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