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3 years ago

Which shapes are similar but not congruent to shape l

Mathematics

2 answers:

Xelga [282]3 years ago

7 0

Answer:

Step-by-step explanation:

dolphi86 [110]3 years ago

6 0

Angles in congruent shapes are always the same. Two shapes are similar if one is congruent to an enlargement of the other. All squares are similar, as are all circles. similar shapes can be resized versions of the same shape, whereas congruent shapes must have identical lengths.

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What’s ’ Y = 1/2x + 4

Rom4ik [11]

Answer:

Hello There!!

Step-by-step explanation:

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3 years ago

Read 2 more answers

What are the graphs to these?

trasher [3.6K]

Answer:

The graph is in the image

Step-by-step explanation:

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3 years ago

In a triangle ABC two points D,E are taken on BC so that angle BAD=angle DAE=angleCAE. Determine AE if AB=5,BC=10 angle BAC=90.

lord [1]

Answer:

AE = 7.5

Step-by-step explanation:

Since <BAC = $90^{0}$ , then;

<BAD = <DAE = <CAE = $30^{0}$ (complementary angles)

From ΔABC, applying the Pythagoras theorem to determine the length of side AC;

$/BC/^{2}$ = $/AC/^{2}$ + $/AB/^{2}$

$/10/^{2}$ = $/AC/^{2}$ + $/5/^{2}$

100 = $/AC/^{2}$ + 25

$/AC/^{2}$ = 100 - 25

$/AC/^{2}$ = 75

AC = $\sqrt{75}$

Applying trigonometric function to ΔCAE,

Cos $30^{0}$ = $\frac{AE}{\sqrt{75} }$

AE = $\sqrt{75}$ × Cos $30^{0}$

= 7.5

Therefore, AE = 7.5

4 0

3 years ago

Help with number 13. . . . . .

kvasek [131]

Answer:

6A, D

Step-by-step explanation:

So, you have A = b*h. The general formula for the area of a triangle. Then, we double the base and triple the height. We then get the expression (2b)*(3h).

Since it is multiplication, we can multiply 2 and 3 to get 6 and get 6*b*h.

Though, we know b*h is just A so we get 6A.

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3 years ago

A train moves from rest to a speed of 40 m/s in 20.0 seconds. What is its acceleration?

alina1380 [7]

Answer: 25m/s

Explanation:

$S1=(2u+v)t \\ =20×20=400m \\ S2=40×20=800m \\ S3=(2u+v)t \\ =20×40=800m \\ Total \: displacement =2000 m \\ Total \: time \: taken =80 m \\ V=802000=25m/s$

5 0

4 years ago