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3 years ago

A triangle has a base of 4 units and a height of 3 units. Mark draws the triangle again but

Mathematics

2 answers:

UNO [17]3 years ago

8 0

Answer:

Second option: The area increases by 6 square units.

Step-by-step explanation:

A1 = ½ × 4 × 3 = 6 units²

A2 = ½ × 4 × 2(3) = 12 units²

Increase: 12 - 6 = 6 units²

Soloha48 [4]3 years ago

3 0

Answer:

The area increases by 6 square units.

Step-by-step explanation:

The original area of triangle

A = 1/2 bh

a = 1/2 (4)*3

6 square units

Now we double the height

A = 1/2 (4) *6

A = 12 square units

The difference is 12-6 = 6 square units

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Answer:

∠J = 107°

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Step-by-step explanation:

Angle J + angle M = 180°

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simplify:

14x -16 = 180

14x = 196

x = 14

∠J = 10(14) - 33 = 107°

∠M = 4(14) + 17 = 73°

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